Manual - HIK
Contents
1. STEP 3 To save the waveform or setup status a name with at least 7 characters is required To select the first character Use the Up Down ax keys And press the Enter Enter key The function of Load is to load the saved waveform and setup status If user only wants to load only setup status load the user s saved data and press the Run Sw key Then system will run in loading setup status Run scanning 55 Save Load SEIN MC STOP CERT 2000 00000 um LEVEL O COEN ATT oe MAIN MENU FUNCTION STEP 1 Press the Menu key STEP 2 To select the DELETE use the Up Down Aw keys or Knob JE key and press the Enter key STEP 3 To delete the saved data select the user s saved data using the Up Down ax keys or Knob key And press the Enter key Then the saved data will be deleted 56 Frequency Counter EET GACETA q am PEN 512 00000 ma LEVEL 0 00e3 ATTN oep c Select the F counter under Main Menu function The input connector for the frequency counter is BNC connector When the input level is inputted into the Frequency Counter the measured frequency value is displayed in the frequency input window Input level is same as below 35 MHz to 2 000 MHz 150m Vrms 20 MHz to 1 000 MHz 100m Vrms DANGER 57 Frequency Counter 58 STEP 1 Press the Menu key TEP 2 To select the FUCTION use the Up Down Aw k2. STEP 1 Press the Shift shit key STEP 2 Press the Enter key STEP 3 To save the waveform or setup status a name with at least 7 characters is required To select the first character Use the Up Down ax keys And press the Enter key If want to save the file name fewer than 10 characters press the END on stated inputted file name STEP 4 Marker To delete the character press the Marker Manet bet key STEP 5 When all 7 characters included blank are typed press the Enter key Then output message for SAVE OK is displayed SAVE OK lf user does not type the all 7 characters included blank the function of save is not completed STEP 6 To cancel the Save press the Marker Maer key until the first character is deleted And additionally press the Marker Maser key one time Then the Save is canceled and the output message is displayed as below SAVE FAILED The values to be saved are signal and system setting values Buzzer Save Load LCD contrast and LCD light states are not saved 540 ME a 2000 00000 cs LEWEL O OO ATT of MAIN MEWO FUNCTION DZ ZZ 10m m A il L a miw m aaa mos MIA hi o hid ond HOO JOD ono ondo I oa on a onmmm LaLa mM STEP 1 Press the Shift key STEP 2 Press the Enter key
3. Also user can set up the Squelch Marker for setting the Squelch Level of Sweep mode and speaker output for a larger signal than Squelch Level through modulation for audio frequency range Modulation Frequency modulation Amplitude modulation and SSB Modulation User can hear the radio using upper method Marker Press the Marker DEL mer Key until the Marker mode icon is changed to the Squelch Marker Es in the display window Marker STEP 1 Press the Marker E key Check the Squelch Marker Es mode STEP 2 Move the Squelch Marker to wanted point using the Up Down av Keys or Knob JE Key The squelch value is displayed in the lower right display window ka 85 00 E 45 Power Meter Single Power Em ema GD de Gm oL 1500 00000 a LEVEL 102 43 ATT O 4 Meter Function To use the Single Power Meter Function at first push the Shift and then check the icon that is changed Please push the numeral 4 Single key After inputting the frequency to measure input the unit STEP 1 Push the Shift Key STEP2 Push the NO 4 SINGLE 4 Key STEP 3 Input the frequency to measure STEPA4 Input the units using RUN Mode and Sweep keys 46 Power Meter Multi Power 2510 MACAO GED q ue mose 2500 00000 am LEVEL 100 17E ATT 06 Meter Function MUL9 2500 OOOO
4. Marker 2 is added The Marker mode is the total four modes And the changed order of Marker mode is as below Center gt Marker 1 gt Delta Maker gt Squelch Marker To handle the Marker 1 user can set up the marker 1 in Marker mode 1 CAUTION To handle the Marker 2 user can set up the marker 2 in Delta Marker When user set up the Delta Marker the frequency value and level value of Marker 2 are displayed in the frequency input window The frequency value and level value of Marker 1 and the difference level value between Marker 1 and Marker 2 are displayed in the Marker window 42 Marker STEP 1 Press the Marker DEL 32 Key Check the Delta Marker mode in the display window STEP 2 To move the Marker 1 to wanted plot point please use the Up Down ajx keys or Knob key Then the frequency value and level value of Marker 2 are displayed in the frequency input window The frequency value and level value of Marker 1 and the difference level value between Marker 1 and Marker 2 are displayed in the Marker window Then the frequency value and level value are displayed in the frequency input window 43 Marker Squelch Marker 44 26490 MG co CENT 2000 00000 ma LEVEL 75 52EmM ATT OF E To know the magnitude of frequency user can use the Squelch Marker And the Squelch Marker is the right Marker on the vertical axis of the display window
5. EE CJE pie ii The LCD screen can display the signal input level frequency and amplitude values and the relative system data m Power Key Key Pad Key to turn ON OFF the system m Run Mode Sweep Marker Key LCD m Run Key to run the Scanning or input the GHz unit for frequency value input 18 Front Panel Mode Key to set up the Reception Mode or input the MHz unit for frequency value input Sweep Key to set up the Sweep Mode or input the kHz unit for frequency value input Marker Key to select the Marker Function Marker Delta Marker Squelch Marker Peak Search and Marker to Center Numeric Key Key to input the frequency value Menu Key Key to set up the required functions of system Up Down Key Key to select the Menu or Frequency Value Knob Key The function of Knob key is same as the Up Down keys 19 Rear Panel 20 CAUTION A WARNING TO AVOID ELECTRICAL i SHOCK OR FIRE vam STOUR 1 SEA 18 00 HORT AA T G Belt Clip User can yoke the B amp K Precision 2640 on a belt Speaker User can use the speaker to output the modulated audio from RF signal level Reset Key User can use this Reset key for system malfunctions or memory re
6. Enter key Then sub menu is opened STEP 3 To select the auto power time use the Up Down ax keys or Knob key and push the Enter key 64 Offset Level Offset compensates for any loss due to the cabling Offset adds the value of Offset to all values of measurement STEP 1 Press the Menu Mer key twice STEP 2 Move the cursor on PC Connect using the Up Down av Keys or knob O Key STEP 3 Push the Enter Enter Key and then move the submenu Move the dB value of Offset Push the Enter Key STEP 4 Push the Menu Mer Key one more time to exit the System 65 Menu EERIE Mages TOP cand 2000 o0000u LEWEL O 0OFM ATT OF MAIN MENO FUNCTION RECEP MODE SWEEP MODE CEHT SPA STEP There are two modes One is Multi key function with the Shift Key and the other is to select other functions It can select the functions using multi key and in Menu The functions that could be selected in Menu mode is as blow Level Unit Reset Band Rate Connect PC To exit from Menu or System push the Menu Key or push the Dot key These keys will move through the menu either lower or higher 66 Menu STEP 1 Push the Menu Menu key twice STEP 2 To select wanted function use the Up Down a gt Keys or the Knob Key STEP 3 Push the Enter Key STEP 4 After selecting f
7. Setup section for details about basic operation No 0 System KN e Push the No 0 key to input the value of 0 When inputting the value of numeral O in the Start Stop Scan Center frequencies the No 0 Lo Key is used e System Setup Function after pushing the Shift Key By pushing the Shift key and then pushing the No 0 Lo Key System Setup function can be selected Please refer to the System Setup section for details about basic operation 79 Shift e Using the Function Key The Shift shit Key dose not performs any function by itself The Shift Key can be used with functions printed below the numeral keys If the shift key is pressed twice CENT SPAN located on bottom of display is changed to START STOP Dot Buzzer EN e The Dot key should be used to input a decimal point When input the value of Decimal Point in the Start Stop Scan Center frequencies this key is used e Buzzer Setup Function after pushing the Shift Key By pushing the Shift shitt key and then pushing the Dot E Key Buzzer On or OFF can be selected Please refer to the Buzzer section for details on basic operation e Return Function on Menu and System Return Function is used to return from lower Menu to higher Menu on Menu and System 80 e Menu Function Various functions can be selected after entering Menu item At the Menu item pushing the Menu Key once more will activate the System item Refer th
8. Start Stop Scan Center frequencies push the No 3 l Key e Display Level Adjustment Function by pushing Shift Key On pushing the Shift Key and then push the No 3 3 Key Basic Level of vertical axis and Level Step on display could be adjusted Please refer to the Display Level Adjustment section for a detailed description of basic operation if need No 4 SINGLE EN Push the No 4 4 key to input the value of 4 In order to input the value of numeral 4 in the Start Stop Scan Center frequencies push the No 4 a Key e Single Power Meter Adjustment Function by pushing Shift Key After pushing the Shift shite key on if No 4 La key is pushed Single Power Meter function will be selected Please refer to the section for Single Power Meter using the Power Meter for detailed description of basic operation if needed 76 e Push the No 5 key to input the value of 5 Push the No 5 Ls Key to input the value of numeral 5 in the Start Stop Scan Center frequencies e Multi Power Meter Adjustment Function after pushing Shift Key On pushing the Shift shire key and then pushing the No 5 Ls key is pushed Multi Power Meter function can be selected Please refer to the Multi Power Meter section for a details description for using the Power Meter if needed No 6 UNIT 6 e Push the No 6 L key to input the value of 6 The No 6 amp Key is used to input the value of nu
9. To adjust the value of internal attenuator press the Up Down ay Keys or rotate the Knob key And Press the Enter key If the input signal is larger than 20dBm ex 10dBm OdBm and etc user can use the user s external attenuator Setting of the EXT ATTEN is as below Push the No 9 ATTN _2_ key INT ATTEN in system is set up Push the Dot l key and then move the previous menu After selecting the EXT ATTEN using the Up Down ay Keys or rotate the Knob O key push the Enter key After selecting requested ATTEN using the Up Down ax Keys or rotate the Knob key push the Enter key 49 LCD Light The LCD Light is designed to ease the use of the instrument in a dark location Press the Shift key to change the upper right icon to EHET And press the No 7 LCD Light key The Power ON OFF of the LCD Light is toggle STEP 1 Press the Shift key STEP 2 Press the No 7 LCD Light key If the LCD light is ON the current of battery is relatively larger than when LCD light OFF In other words using time of CAUTION system is shorter 50 LCD Contrast 2590 ME CENT 2000 00000 cs LEVEL O OO ATT TE SYSTEM MENU AUTO PONER ZER The function of LCD contrast is to adjust the contrast for the remained battery capacity Push the Shift shitt key to change the upper right icon to EHET And push the No 8 LCD Contrast L key The LCD contra
10. set up as below o dBm o dBuV o dBmV STEP 1 Push the Menu key STEP 2 To select the LEVEL UNIT use the Up Down wwe keys or Knob e key and push the Enter Enter key Then sub menu is opened TEP 3 To select the user s wanted level unit use the Up Down afv keys or Knob key and push the Enter Enter key Reset The function of Reset is for initializing the memory or system The three kinds of resets are supported And these resets are run through the Menu e Preset System Reboot for initial setup status Center Frequency Span Frequency Marker and etc e Memory CLR The user s saved data will be cleared Memory Cleared e System INIT The upper two resets PRESET and MEMORY CLR are run Then system reboot for initial setup status and the user s saved data will be cleared Push the Menu Men key STEP 2 To select the RESET use the Up Down ax keys or Knob key and push the Enter key Then sub menu is opened STEP 3 To run the wanted Reset use the Up Down ay keys or Knob key and push the Enter Enter key Then the selected reset will be run 61 Setting of the Baud Rate 62 Baud Rate The setting of the baud rate is for the transmission speed The Baud Rate between PC and system is same as below 115 200 BPS Default 57 600 BPS 38 400 BPS 19 200 BPS 9 600 BPS 4 800 BPS Push the
11. D contrast to see LCD screen To adjust the LCD contrast push the key And push the No 8 LCD Contrast key Until user s desired LCD contrast is adjusted use the Up Down Jw keys and Knob key To turn on the LCD light push the nit key And push the No 7 LCD Light key Then the LCD light is turned on And to turn off the LCD light push the key And push the No 7 LCD Light key Toggle ON OFF For the LCD display refer to below figure Turn on power of instrument STEP 1 Push the Key STEP 2 Adjust to LCD Contrast Push the Shit Key Push the LCD CONTRAST No 8 Key Adjust to desired LCD Contrast using the Up Down Jw Keys or Knob Key STEP 3 Push the Dot l Key and will be taken out of Menu STEP 4 LCD Light On Off Push the Shift Key STEP 5 Push the No 7 LCD Light Key 25 Description of operating screen Display a window be y i Y a E Frequency input s m H z window Wavy pattern window Marker window Squelch window 1 ICON window 2 Frequency Input window 3 Wavy pattern window 4 Squelch window 5 Marker window ESO ESC mm 0 lololol C EN sy am SHIFT E C57 Ea qd Cm Gu O a EE E a El 26 Description of operating screen Shift State Indication Normal state g Icons are changed by shif
12. Marker to Center m Internal Attn The input range can be extended by internal Max 10 dB Attn function m Sweep Mode Single Run Free Run Squelch Run Selectable m Squelch Function The Squelch Level may be adjusted to any value from the reference level to Full Scale Frequency Counter m Frequency range 35 MHz to 2 000 MHz m No of digits 7 digits m Resolution 1 kHz Specifications Amplitude 14 Frequency Range 100 kHz to 2 000 MHz Resolution Min 6 25KHz Multiples Accuracy 4 5 PPM Wide FM Approx 180 kHz 6 dB W FM N FM Narrow FM Approx 12 5 kHz 6 dB AM SSB AM SSB Approx 2 4 kHz 6 dB AM SSB Narrow FM 6 25kHz 12 5kHz Step Range Wide FM 6 25 125kHz Multiple of 6 25 kHz i 125 2500kHz Multiple of 125 kHz AM SSB Narrow FM 1MHz 2MHz Span Range Wide FM 1 20MHz Multiple of 1 MHz 20 400MHz Multiple of 20 MHz Frequency S Center Start Stop Span Selection Mode Measurement 45 dBm to 110 dBm Range Wide FM 100 dBm Max Narrow FM 110 dBm Max AM SSB 100 dBm Max Average noise Level Amplitude Units dBm dBmV dBuV Reference Level 3 0 dB typical 400KHz to 600KHz Accuracy 2 0 dB over 600KHz Reference Level 0 dBm to 80 dBm Range 0 2 dB DIV min in 0 25 dB Span 5 Display Log Scale po Division Internal Attn 10 dB Internal Attn 1 0 dB 25 C Accuracy Specificati
13. Menu Men key STEP 2 To select the BAUD RATE use the Up Down A keys or Knob key and push the Enter Enter key Then sub menu is opened STEP 3 To select the wanted baud rate value use the Up Down afv keys or Knob key and push the Enter key Setting of the Connection for PC Connection for PC The function of CONNECT PC is for connecting to a PC First the GUI program is run on the PC And the serial cable is connected between PC and B amp K Precision 2640 Next run the REMOTE PC from Menu e NONE e REMOTE PC STEP 1 Press the Menu Menu key STEP 2 To select the CONNECT PC use the Up Down ax keys or Knob key and press the Enter key Then sub menu is opened STEP 3 To select the REMOTE PC use the Up Down AI keys or Knob O key and press the Enter key Then the connection between the PC and the system is running 63 Auto Power The Auto Power function should be used to conserve system power When the power OFF time is enabled NONE is not selected the power source will be turned off automatically if the user dose not use the system for the auto power OFF period of time The auto power OFF time is same as below NONE O5MINUTES 1OMINUTES 20MINUTES 30MINUTES STEP 1 Push the Menu Men key twice STEP 2 To select the AUTO POWER use the Up Down ay keys or Knob key and push the
14. PC Remote PC 69 System Ecco LF AA STOP ENT 2000 00000 cs LEVEL 110 FORM ATT 068 SS TEM MENU CN y There are modes that select the function of Multi key using the Shift snitt Key and the other functions Functions can be selected using the multi key and the Menu The functions that can be selected in Menu mode are as blow To exit from Menu or System push the Key or push the Dot key this will move you to lower menu items or to higher menu items 70 System STEP 1 Press the Menu Menu Key STEP 2 Press the Menu Menu Key once more STEP 3 To select desired function use the Up Down ax Keys or the Knob Key Press the Enter Enter Key STEP 5 After selecting a lower item function or On Off push the Enter Key STEP 6 Push the Menu Key once to exit the System 71 System Eee None 05 Minutes Auto Power 10 Minutes Seleck uo PONOT Saving mode 20 Minutes 30 Minutes Select Buzzer On Off ON It could be set up with the Shift Buzzer Key Shift Key Icon is upside down Please check all OFF icons to fix this ON Select LCD Light On Off LCD Light It could be set up with the Shift OFF Shift Key LCD Contrast 1 to 10 Step 0 dB 10 dB INT Atten 20 dB 30 dB 35 dB EXT Atten 0 dB to 90 dB Offset 99 0 dB to 99 0 dB During booting save default val
15. UGEE ean 100 17 em em To use the Multi Power Meter Function at first push the Shift shirt key and then check the icon that is changed Please push the No 5 MULTI key Assign any number of frequencies to measure within 1 to 9 After inputting the frequency to measure input the unit STEP 1 Push the Shift Key TEP 2 Push the No 5 MULTI L5 key STEP 3 Input a number within 1 to 9 STEP 4 Input frequency to measure STEP 5 Input the units using RUN 2 Mode and Sweep 2 keys 47 UNIT UNIT E uan 3 q qm oe 2000 00000 am LEVEL 101 1467 ATT OB MAIN MENU FUNCTION RECEP MODE dBuU Change Function SWEEP MODE dBmU MARKER E LOAD E DELETE LEVEL gt E RESET BAUD RATE i NNECT PC E CENT 2000 00000 E SPAN 20 00000m 87 50 STEP O 12500 E Em STEP 1 Push the Shift Key STEP 2 Push the No 6 UNIT key STEP3 Using the Up Down la gt Key or knob key move to the measuring unit and then set up by Enter E key 48 Setting of Setting for Internal or External ttenuator The internal attenuator is used for maximum input signal 45dBm with Menu function To set the internal attenuator press the Shift shit key to change the upper right icon to GHIET And press the No 9 ATTN L key
16. asic operation Before POWE Oia Ace eee ok ee a don aoe ie 23 Power On oes aoe ete a a lok eat ha ce accio econ 24 Turn on Power of INStrUMent 0 cccecee eee e eee ee ee eee eeee eaten eee te esata ea ea ened 25 Description of Operation SCrEEN cece eee cece ee eeee eee ee teen ee eeeaeeteeeaenees 26 Reception MOE cortina AA ieee did 32 Sweep MODS sag sta 33 Set UP Piti rre 34 Frequency INPUL2 ccsccanioerhoactdvaysehteubonabdstescgrechonaddeeddaaedl tetacee eae reed ates 35 Adjust Screen Vela ir 37 PRU SCANNING ee ee EI ne E Patan 38 Markafoni ee Ae eee ee 39 Power Metric a ia tes bee note 46 Setting Of attenuator ooococonccnncccncnccconccncnconcnnnnnnnonenncnnnnnnnnconinncnanconininns 49 PCD Lita A a 50 LCD Contrast iiini e enr a e a A 51 BuzzercON OFE oenen aaea a r aa a ae Shee edoa a duak s 52 Save LO duetos basica a ll ta 53 Frequency Cour tae ae 57 Powel SOUTO oda Ad ee 59 Level Union genes cote a 60 RESO oa naaa bid tes Le a a 61 Baud Rates EPE seapidentteenes arar see cheeeysegzecues cheasidiuberprehieacsden terete 62 Connection for PC cido 63 AUTO PO WO a eG ae aa aie eae aaa 64 Os A AAA A 65 Merca Ada 66 MM a A AR A LA ct 70 6 Description of key operating Ron GHZ urticaria ened nates bab 73 Mode MHZ teisarai they lee erendyccirds lon be eT E A eiaa red taras 73 Sweep KHZ iii vee tetova ia a ean 74 Marker DEL 00 eternal a Ge hk a es 74 No 1 Stary Stop vta A ee 75 No 2 SP veh l
17. atteries connect the DC cable plug of SMPS type adaptor to DC jack of system DC output 12V Battery charging will begin after DC cable in connected At this time if user turns on the power of system the battery icon on the display window is displayed and blinking And if the charging of batteries is finished the blanking of battery icon will stop and only be displayed Connection for Input To measure the input level of RF signal connect the antenna or Level coaxial cable to N type connector of system marked ANT E Input Connector for RF Signal Level User can connect the antenna or coaxial cable to this connector on CAUTION the system The maximum input voltage is 5 Vrms m Input Connector for Frequency Counter User can connect the signal source to be measured to this connector The maximum input voltage is 5 Vrms 23 Power ON 24 To turn on the system power Press the Power key The system power is ON The last displayed screen from the previous usage will be displayed Previous setup status This system supports the simple manipulation with frequently used function keys To use this simple manipulation push the nit key and push the numerical key The frequently used function is marked on the numerical key below The upper right icons are the basic mode and the mode User can select the shift mode or basic mode by pressing the key If the LCD screen is not readily visible user can adjust the LC
18. attery Cell and the temperature of Battery The external temperature of Ni MH Rechargeable Battery is gradually increased and then quickly increased in some point of time The B amp K Precision 2640 closes charging quickly after checking the increased amount dT dt of external temperature of Battery for a unit time Also for Battery protection the recharging is compulsory closed by built in temperature sensor in case that the voltage of Battery Cell will be increased to more than some specified level or the external temperature of Battery will be going up to over 50C For safe usage it is strongly recommended to use Ni MH Rechargeable battery and please do not use in the place with high temperature or high humidity during recharging Specifications Physical i Dimension 4 W 9 H 1 8 D Specifications Approx 0 66 Kg 1 45 Ibm Weight including Antenna except Battery Standard Antenna Receive Only SMPS Type AC Adapter Fuji AA type NI MH Rechargeable Battery 6 PCS 1 2 V 2 700 mAh Manual Coaxial Cable Earphone Carrying Case Carrying Belt RS 232C Cable Adapter N BNC Software for PC Application Accessories Specifications and information is subject to change without notice For the most current product information please visit www bkprecision com 17 Instrument overview section 4 Run Mode Sweep Marker GHz MHz kHz DEL
19. ave ce OE et Bae A aaa ee ee 75 NOS Level coin a a Ged ees Se ee eee 76 No A SINQIG bia Did tio dintel de sabes 76 No 5 MUI e A iin tobe a Tit setae eee 77 No 6 TUNIT O 77 No LCD diiniita iia 78 No 8 LCD CONT LCD Contrast coocococcoccccnccncncncoconccnanconcnnonanconancnncnnnnns 78 No 9 Attenuator ccc eee cece eee eee ee eee eee eee se a a aa aeled 79 No O SYSTOM sats suchas ted evan ingle E ca eds Us pine dpe aoe 79 Mi TAO A e A nae eb ener COR RAR E 80 Dot BUZZATI A AT AN A 80 Menu Load ae iena a tdo Dd eatery 81 Enter Save deei aa aesa areara Abd naag era 81 Up Down Keys and Knob Key ooooococcccccccococcconcnonononcncnnononcnonanananancnnnnos 82 Introduction section 1 Overview The B amp K Precision 2640 handheld RF Field Strength Analyzer is E optimized to analyze signals from many different source for multiple applications The B amp K Precision 2640 has adopted a synthesizer method and has a wideband reception range of 100 kHz to 2 000 MHz The characteristic of frequency response of the B amp K Precision 2640 is E calculated by memorized calculation data from a look up table and so it enables the B amp K Precision 2640 to measure accurate levels and make easy analysis of a wide range of frequency bands The B amp K Precision 2640 provides various functions and user friendly interface which makes it easy to use The handheld RF Field Strength Analyzer is ideal for us
20. days of purchase Exclusions This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs The warranty is void if the serial number is altered defaced or removed B amp K Precision shall not be liable for any consequential damages including without limitation damages resulting from loss of use Some states do not allow limitations of incidental or consequential damages So the above limitation or exclusion may not apply to you This warranty gives you specific rights and you may have other rights which vary from state to state B amp K Precision 22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkprecision com Accessories included E Carrying Case AC Adaptor Carrying Strap Coaxial Cable RS 232 Cable Power Cable Ear Phone N BNC Adaptor Ni MH Rechargeable Users Manual Software CD Antenna Battery 6PCS Table of contents 1 Introduction OVA Wii bo 11 2 Features Main features vesical pa da oe 12 3 Functions RF Field Strength ANalyZ8T ooocoococcccoccccnconcnconcnncnnnconnnncnancnnnnconinaninonanes 13 Frequency Counter rimatan ie taney eeuee tte 13 SPECICATION S a eet fee a ae rel ee ah aN ee EA aes ara aa 14 4 Instrument overview Front Panel cita e 18 Rear Panoh carri rAr a A Soy de eds oye tee 20 DIGS Paneles acjuekd aa anion lisa ima id toos 21 Top Plica ool eee ies a ee 22 5 B
21. e section of Menu and System of basic operation if need more detail e Load Function after pushing the Shift Key By pushing the Shift Shift key and then pushing the Menu Key stored Data can be loaded Please refer to the Store Mode section for details of basic operation e Enter Function The Enter Key is used to select Menu or System items e Save Load Function after pushing Shift Key By pushing the Shift key and then pushing the Menu Key Data can be saved Please refer to the Save Load section for details about basic operation 81 e Up Down Keys and Knob Key Functions Movement of Marker Menu items and System After setting the Span the Span can be changed using the Up Down key After setting the Reference level the Reference level can be changed using Up Down key 82 Service Information Warranty Service Please return the product in the original packaging with proof of purchase to the address below Clearly state in writing the performance problem and return any leads probes connectors and accessories that you are using with the device Non Warranty Service Return the product in the original packaging to the address below Clearly state in writing the performance problem and return any leads probes connectors and accessories that you are using with the device Customers not on open account must include payment in the form of a money order or credit card For the most current repair charges pl
22. ease visit www bkprecision com and click on service repair Return all merchandise to B amp K Precision with pre paid shipping The flat rate repair charge for Non Warranty Service does not include return shipping Return shipping to locations in North American is included for Warranty Service only For overnight shipments and non North American shipping fees please contact B amp K Precision B amp K Precision 22820 Savi Ranch Parkway Yorba Linda CA 92887 www bkprecision com 714 921 9095 Include with the returned instrument your complete return shipping address contact name phone number and description of problem 83 B amp K Precision Corporation 22820 Savi Ranch Parkway Printed in Korea Yorba Linda CA 92887 Copyrights B amp K Precision Corp 2010 www bkprecision com
23. er comer Eam MECO Y Marker ENT 2000 OODOO m LEVEL 78 526 ATT OF E Center Marker is not a Mode the user will choose when using Mark Mode in Basic operation When inputting Start Frequency and Stop Frequency Center Frequency information will appear automatically The state is not indicated on the Mode ICON is Center Mode Frequency and Level on Center Frequency will be indicated on Frequency Input Window 40 Marker rr 2500 CEN d m i AER 1206 00000 ms LEVEL 70 39E mM ATT o JE To use Marker 1 MIR 1d press the Marker DEL Were key in Center Marker status When it turns to Marker 1 mode Marker mode icon is changed to Mr And frequency input window is changed to Center Marker to Marker 1 MKR 1 F To move the Marker 1 use the Up Down AJ keys or the Knob JE key Then the frequency value and level value are displayed on frequency input window STEP 1 Press the Marker DEL 8 Key Check the Marker 1 mode in display window STEP 2 To move the Marker 1 to wanted plot point please use the Up Down ajx keys or Knob key Then the frequency value and level value are displayed in the frequency input window 41 Marker Delta Marker 2590 CE F om nKR2 gt 2500 20000 aa LEVEL 73 338 ATTH OF i Marker Press the Marker DEL Mae Key until the Marker mode icon is changed to Delta Marker in the display window And in this case
24. ers to test install and maintain Mobile Telecommunications Systems Cellular and Cordless Phone CB Paging Paging Systems Cable and Satellite TV Systems as well as antenna site measurements and maintenance The B amp K Precision 2640 supports RS E 232C serial communication and has separate GUI software So user can control the B amp K Precision 2640 easily after connecting the B amp K Precision 2640 with a personal computer and can utilize the analyzed data variously after converting or saving numerical value or graph 11 Features section 2 Main features 12 100 kHz to 2 000 MHz measurement range Frequency Spectrum Analyzing Function and Frequency Counter Function Measure N FM W FM AM SSB sa Demodulate W FM signals Built in 2 GHz Frequency Counter Accurate Signal Level Measurement Marker Delta Marker Squelch Adjustment Function PLL tuning system for precise frequency tuning Built in Speaker 192 Pixels X 192 Pixels Back Light LCD Menu selection method for Function selection RS 232C Interface User friendly Icon Display Maintenance of Wireless Telecommunications Equipments General Usage for Installation and Maintenance of Telecommunications Equipments Installation and Maintenance of Cable RFID Tag RF Strength Measurement Installation and Maintenance of Satellite Antenna Detection of Tapping and Hidden Camera Functions section 3 RF Field Strength Analyzer m Spectrum Peak Search
25. eys or Knob key and press the Enter Enter key Then sub menu is opened STEP 3 To select the F COUNTER Frequency Counter use the Up Down aw keys or Knob key and press the Enter Ete key STEP 4 The icon MAIN is displayed from the other icon The FCNT is displayed in the frequency input window STEP 5 When the input level is inputted in the Frequency Counter using BNC connector the measured frequency value is displayed in the frequency input window STEP 6 To change the Frequency Counter mode to Spectrum mode run the upper Step 1 to Step 3 At this time select the SPECTRUM not F COUNTER in Step 3 Power Source Checking To check the battery s remained capacity Battery user can refer to the for Battery battery icon in the upper area of display window a How to use and replace the battery DANGER The power system of B amp K Precision 2640 uses the Ni MH rechargeable batteries Then the power system supports fast charging The charger for the Ni MH batteries is controlled by the voltage and temperature of the battery cells The Ni MH rechargeable batteries must be used for the safe and stable power source And if the charging is required please avoid the site with high temperature or high humidity 59 Level Unit Setting of the Unit 60 The setting for level unit can be set up in the Menu The level unit can be
26. hing this button please select Marker functions such as Center Marker Marker 1 Delta Marker and Squelch Marker Please refer to the Marker section for a description of basic operation for more detail e This is the Delete function when setting up Start Stop Scan Center frequencies Marker When inputting the frequency values the Marker Maar Key can be used as the Delete Key This key functions as a backspace key on a PC e Press the No 1 1 key to input the value of 1 To input the value of numeral 1 in the Start Stop Scan Center frequencies please use the No 1 1 Key e Pressing No 1 key and the Shift Key will active the Input function for Start Stop Mode Select the Start Stop Mode by pushing the Shift snire Key and than push the numeral 1 Key Please refer to the Frequency Input section for a description of basic operation if more detail is needed No 2 Span 2 Press the No 2 2 key to input the value of 2 Input the value of numeral 2 in the Start Stop Scan Center Mode by pressing the No 2 2 Key e Span Frequency Input function can be activated by pushing Shift Key By pushing the Shift shit Key and than pushing the No 2 2 Key the Span Mode can be activated Please refer to the Span section for a detailed description of basic operation if required 75 e Push the No 3 2 key to input the value of 3 In order to input the value of numeral 3 in the
27. hment for further details Atten Establish Value EB Indicate established Atten Value Internal External Atten Value Please refer to Menu Level Unit establishment for further details Frequency Unit Every Frequency Unit is indicated in MHz 29 Description of operating screen 3 Wavy pattern window Indication Reference Value of Screen Level Value Indication to Vertical Level Value of Wavy pattern window Please refer to Screen Level establishment in Basic operation Explanation for further details o Resolution of Screen Level Value Marker Indication El Center Marker Every Marker can control the 1 Marker 1 Up Down keys or Knob E Key H Marker 2 30 4 Marker Window Description of operating screen Center Marker Marker 1 When Squelch Marker CENT Center Frequency SPAN Span Frequency MHz STEP Step Frequency When Delta Marker MKR1 Marker 1 Frequency MHz LEV1 Marker 2 Level Value dBm DIFF Marker1 Marker2 Level Value 31 Reception Mode Reception Mode has a total of 4 four modes Wide EN Ue ey eS eee Ll Fl1 Wide FM RBW Resolution Bandwidth 180 kHz Narrow FM Narrow Frequency Modulation f F I Narrow RBW Resolution Bandwidth 12 5 kHz AM Amplitude Modulation SSB AM RBW Resolution Bandwidth 2 4 kHz Sober AAA EES SSB AM RBW Resolution Bandwid
28. l Resolution to be Display on scene RLEV is an abbreviation of Reference Level Choose through the Up Down ay Keys and establish to use the Enter Key Top Level in verticality axis would be changed established Value DIFF is an abbreviation of Difference Choose through the Up Down a gt Keys and establish to use the Enter Key Level Step in verticality axis would be changed established Value Choose through the Up Down ax Keys and push the Enter Key Choose through the Up Down ay Keys and push the Enter Key RLEV DIFF DIFF 37 Run Scanning 38 Run Scanning is a process interpreting Frequency according to established Frequency Bandwidth and Span And Run scanning processes operate by establishing Sweep Mode 2500 MC RIM Run Scanning process would be accomplished by establishing Reception Mode and Sweep Mode See above Marker B amp K Precision 2640 has Center Marker Marker 1 Delta Marker Marker and Marker2 and Squelch Marker Each Marker Mode can define a state of Marker ICON into the top left Marker Mode ICON Marker Mode ICON Marker ICON Center Marker No ICON Marker 1 You can settle Marker 1 in this dpe state Marker 2 You can settle Marker 2 in this state Fix the volume when listening by making a multiple Signal to audible Frequency Bandwidth to use FM AM SSB and then fix Basic Signal of Squelch Run 39 Mark
29. meral 6 in the Start Stop Scan Center frequencies e Level Unit Adjustment Function after pushing Shift Key By pushing the Shift key and then pushing No 6 Ls key Level Unit function can be selected Please refer to the Level Unit section for a detailed description of basic operation if needed 77 e Push the No 7 key to input the value of 7 When inputting the value of numeral 7 in the Start Stop Scan Center frequencies the No 7 Key is used e LCD Light Function after pushing the Shift Key By pushing the Shift key and then pushing the No 7 Key LCD Light function can be selected Please refer to the LCD Light section for details about basic operation if needed No 8 LCD CONT LCD Contrast Push the No 8 key to input the value of 8 To input the value of numeral 8 in the Start Stop Scan Center frequencies the No 8 Key is used LCD Contrast Function after pushing the Shift Key By pushing the Shift key and then pushing the No 8 Key LCD Contrast function can be selected Please refer to the LCD Contrast section for details on basic operation 78 e Push the No 9 2 key to input the value of 9 To input the value of numeral 9 in the Start Stop Scan Center frequencies the No 9 Ls Key is used e Attenuator Setup Function after pushing the Shift Key By pushing the Shift key and then pushing the No 9 Ls Key Attenuator function can be selected Please refer to the Attenuator
30. n Scanning again A wrong inputting content can be erased by using the MARKER DEL Marker M Key The MARKER DEL Key operates like the Back space on PC Inputting Frequency in out of Frequency Input Mode Frequencies can be deleted by pushing the MARKER DEL H Key several times Erase inputted Frequency and then push the Marker DEL Key one more time you are now out of Frequency Input Mode 35 Frequency Input Window Display Start Stop Frequency Input 36 STEP 1 Check the state of Frequency Input Window You can input Center Frequency when state of Frequency Input Window is CENT LENT STEP 2 Input a desired Center Frequency STEP 3 Input Unit by using the Run Mode Ms and Sweep Key STEP 1 Push the Shift Shift Key STEP 2 Push the No 1 1 Key STEP 3 Change Frequency Input Window to Start Input Mode Input a desired Frequency to use the numeral keys and the Dot LJ Key STEP 4 Input Unit to use the Run 2 Mode and Sweep F Key STEP 5 Change Frequency Input Window to Stop Input Mode Input a desired Frequency using the numeral keys and Dot Key STEP 6 Input Unit to use the Run 2 Mode and Sweep Sweep kHz Key Adjust screen Level Settle Top Level Reference Level and Leve
31. nit Key and then After input is finished Frequency GFI FREE Run continues to execute Run Scanning operation automatically oo Squelch Run operation will stop Run Scanning in case of Signal Level Value is getting higher than Squelch Level Value But If Signal Level is getting lower than Squelch Level restart to Run Scanning After input is finished Start Stop Frequency ii Single Run execute Run Scanning just a once In addition if it is desired to Run Scanning push the Run GHz Pde Key and then execute Run Scanning once STEP 1 Sweep Push the Sweep kHz Key STEP 2 Push the Sweep kHz Key and the top left ICON will be changed to kF FREE Run 154 SQUELCH Run and Gi SINGLE Run order 33 Set up Span The span is able to be set 1MHz to 400MHz It has two settings 1MHz step up to 20MHz and 20MHz step from 20MHz to 400MHz If other numeral keys than MHz unit key is pushed the input unit will be set to the nearest times by rising automatically Ex 1 When span input is 9 25Mhz span will be 10MHz Ex 2 When span input is 48MHz span will be 60MHz First push the Shift Key Shift icon is upside down in order to set up Span The top left ICON is changed to EHETI After that push the Numerical Key So then Frequency Input window changes the Span Input State Enter the Input Frequency and then input the Unit to use for this Run GHz 2 Mode MHz or Swee
32. ons Memory Display Frequency Counter Speed Min 500 msec Trigger Source Narrow FM Wide FM AM SSB Free Run Single Run Continuous Wave Trigger Mode Squelch Run Trigger Level TTL Level Marker Mode Maker Delta Maker Trace amp Setu P Max 100 Waveforms and 100 States Storage Type Mono STN LCD Display Resolution 192 Pixels X 192 Pixels LCD Light On Off Frequency Range 35 MHz to 2 000 MHz Resolution 7 Digits Accuracy 50 PPM 1 COUNT Sampling Time 1 sec Input Sensitivity 35 MHz to 2 000 MHz 150 mVrms Input Impedance 50 Ohms Max Input Voltage 5 Vrms Max Specifications 16 Spectrum input Port DANGER Operation Environment CAUTION Power Source DANGER RF Input Connector N type Female 50 Ohms Max Input Level Max 10 dBm 5Vrms AAA AAA o 0 C to 40 C Temperature Humidity 35 RH to 85 RH Storage Temp 10 C to 50 C Be Battery Power AA Type Ni MH Rechargeable Battery x 6 Source PCS Battery i AA Type 1 2 V 2 700 mAh Rechargeable Specification Nickel Metal Hydride Battery SMPS Type AC Adapter DC 12 V Output Adapter E Car Adapter DC 12 V Output Auto Power On Off Off 5 min 10 min 20 min 30 min The B amp K Precision 2640 can be quickly recharged using Ni MH Rechargeable Batteries The Recharged method of Ni MH Battery is controlled by the voltage of the B
33. p kHz P Key would be set up Span Regardless of Frequency Input State upper Keys are only used the input units Span Mode Push the Shift Shit Key STEP 2 Push the No 2 Key Swee When the Sweep kHz a Key is pressed the top left ICON is changed to S amp F FREE Run K5 SQUELCH Run and Gi SINGLE Run order 34 Frequency Input Chosen Reception Mode Sweep Mode and Span are showed on the top center of LCD At first choose Reception Mode and Sweep Mode to get a sense of the Frequency Bandwidth and a specific feel for analyzing Choosing Frequency Value is a way to inputting Center and Start Stop Frequency To order to input Center Frequency just pushes the numeral keys Press the key when Frequency Input Window is a CENT state Push the Shift shit Key to input Start Stop Frequency Push the Shift shit Key to input Frequency you would like to analyze Push the No 1 Start Stop a Key to inputted Start Frequency in Frequency Input Window Input Frequency by using the No 0 loe t 9l Keys Dot Marker Buzzer Key MARKER DEL Key and Run GHz and SWEEP kHz Key Meg as Unit Input Key Mode MHz Execution will be done automatically after inputting the last Unit in the Frequency according to a given Sweep Mode of Run Scanning Mode If the mode is Single Rurfai_ push the Run GHz Key and then execute Ru
34. r UNT 2640 2 0GHz RF Field Strength Analyzer Safety Term and Symbols DANGER CAUTION Danger statements identify condition or practices that could result in injury or loss of life Caution statements identify conditions or practices that could result in damage or fire Ground statements identify conditions or practices that could connect protective conductor Caution for safety ry Prohibiting to removal the cover Ti d DO NOT OPEN Do not remove the instrument cover to access the internal components Only B amp K Precisions Service technician with knowledge of the instruments condition and dangerous voltages can repair the instrument Instruments that appear damaged or defective should be made inoperative and secured against unintended operation until they can be repaired by qualified service personnel Keep the clean on power insert CAUTION Instrument s power insert should remain dust free Clean the power insert regularly Dust could result in damage to this instrument Continually clean the dust on input terminal of RF frequency counter Clean the input terminal regularly Dust could result in damage to the instrument RF in output rating CAUTION Rating of RF input and output connector Maximum DC voltage rating RF input connector socket N type female 500hms Maximum RF input power 5Vrms Caution Do not use over 5Vrms s
35. set Battery Note the polarity of batteries at inserted battery compartment And user must use the AA type Ni MH Rechargeable batteries for battery charging Side Panel Side Figure pla oe f a L m DC Input Jack User can use this DC input jack for power supply and battery charging with SMPS type AC DC Adapter or Car Adapter CAUTION m RS 232C Connector 8 pin mini DIN connector User can use this RS 232C connector for PC communication with serial cable 21 Top Panel Top Figure V RIIS COUNTER m input Connector for Signal Level User can connect the antenna or coaxial cable to this connector on the system The maximum input voltage is 5 Vrms m input Connector for Frequency Counter User can connect the signal source to be measured to this connector The maximum input voltage is 5 Vrms Volume Control User can control the volume of audio output To increase the volume of audio output turn the Volume Control to clockwise direction m Earphone Jack 22 Basic operation section 5 Before Power ON How to insert and charge the AA Type Ni MH rechargeable batteries For the insertion of batteries please release the screw on the battery cover on the bottom of the instrument And put in AA Type Ni MH rechargeable batteries Total 6 PCS To charge the batteries after inserting b
36. st is adjusted by using the Up Down Aw keys or Knob key And push the Enter Enter key STEP 1 Press the Shift key STEP 2 Press the No 8 LCD Contrast key STEP 3 To adjust the LCD contrast use the Up Down keys or Knob E key and press the Enter key 51 Buzzer ON OFF User can set the Buzzer ON OFF Toggle ON OFF Push the Shift Key Then the Icon of left upper window is changed to shift icon EHET And press the Dot Key And press the Dot La Key STEP 1 Press the Shift key STEP 2 Press the Dot Key 52 Save Load The function of Save Load is for the Waveform and Setup Statuses The function of Save is for concurrently saving the Waveform and Setup Status in memory And the saved Setup Status in memory includes the following information Reception mode Sweep mode Frequency range Step value and Span value User can use this with Menu or Multi key The function of Load is for loading the saved Waveform and Setup Status in memory If user only wants the Setup Status please load the saved file for desired Setup Status And press the Run key Then this measuring instrument will complete the Run scanning operation User can only use this in Menu The function of Delete is for deleting the saved file Also User can only use this in the Menu Eam LEMAS TOF SSE 2000 00000u LEVEL O OO ATT TE c 53 Save Load 54
37. t key SHIFT Shift Input state Reception Mode State Indication MEA Wide Frequency Multi Mode a Narrow Frequency Multi Mode mode Amplitude Modulation Mode Icons are changed EEIE Single side band Multi Mode by Mode key Sweep Mode State Indication OF Free Run wee Icons are changed REA Squelch Run y RHE by Sweep key 3 i 1 Single Run i Run Scanning Run Stop State Indication RU Running y Icons are changed E Stop GHz by Run key Marker State Indication INone Center Marker State Marker Marker 1 State y DEL reid Delta Marker State Marker 1 2 Icons are changed by Marker key EFJ Squelch Marker State 27 Description of operating screen Buzzer On off Indication Y Buzzer Off y es Icons are changed by af Buzzer On Dot Buzzer key O Battery Residual Indication Full LL Empty 2 Frequency input ENT 2000 00000 ms window Frequency Value Indication Clik FENTE LEVEL ATTN En dEm 28 Description of operating scene CEN T F Center Frequency Indication NONE MIKA 1 F Maker 1 Frequency Indication iD Milt Maker 2 Frequency Indication FCH T Frequency Counter Value Indication Mall Indication of Frequency Value of each Mode Level Value Indication Indication of Level Value of each Mode Level Unit ED Can be established in Menu Please refer to Menu Level Unit establis
38. th 2 4 kHz Wide FM should be used to interpret a large Signal of Band width Narrow FM should be used to interpret a narrow Bandwidth Signal AM and SSB can used irrespective of Bandwidth E Push Mode MHz aie Key to establish the reception mode and then i the top left ICON will be changed to WFM L Fl NFM FA AM i AH j SSB SSE order When inputting Frequency like Start Stop Span etc the Mode MHz ka Key is used RBW is fixed in each Mode as follows Wide FM RBW Resolution Bandwidth 180 kHz Narrow RBW Resolution Bandwidth 12 5 kHz SSB AM RBW Resolution Bandwidth 2 4 kHz STEP 1 Reception A Mode Push the Mode MHz amp Key Establishment STEP 2 Mode 1 Push the Mode MHz _ Key and t the top left ICON will change to WEM ME New a am and ssp BETS order Sweep Mode 32 Sweep Mode Establishment Sweep Mode is used to set up operation characters which interpret Input Every each operation character is same as follows GEA Free Run Analyzing execution consecutively fi Single Run i Only 1 time Execution Run by higher than Squelch level 5 45 squelch Run Similar Trigger Mode of Oscilloscope Establish this mode by pushing the Sweep kHz Seer the top left ICON will be changed to FREE Run KFA SQUELCH Run QS and SINGLE Run Si order The Sweep kHz 2 Key is used as input Start Stop Span and Input Frequency Unit into KHz U
39. ture and or exterior temperature degree of when the temperature increases over 50 degrees battery charging will be finished automatically Operating personnel must use Ni MH Rechargeable Battery and do not operate in an explosive atmosphere The battery usage time can change due to the using term environment and temperature When battery consumption is large battery running time will decrease Operating personnel should phase in a new battery when battery running time is less than half of the initial operating time Operating personnel should not use this instrument and or keep the battery in place for long periods of time which could result in discharge of the battery To avoid damages to battery when battery is low this instrument will turn off automatically Warranty Limited One Year Warranty B amp K Precision warrants to the original purchaser that its products and the component parts thereof will be free from defects in workmanship and materials for a period of one year from date of purchase from an authorized B amp K Precision distributor B amp K Precision will without charge repair or replace at its option defective product or component parts Returned product must be accompanied by proof of the purchase date in the form of a sales receipt To obtain warranty coverage in the U S A this product must be registered by completing the warranty registration form on www bkprecision com within fifteen 15
40. ue to be applied Default save SAVE When Saving the values all values will be saved except Signal 72 Description of key operating section 6 Run GHz e Instruction to start scanning frequencies After power on this button will work as it did under the most recent setup or when Squelch Run KED or Single Run gI functions are active Please refer to the Scan in description of basic operation details if needed Units input function can be used to set up Start Stop Scan Center frequencies After inputting the frequency values push the k GHz key to view the units Mode Mode MHz i e Selecting Reception Mode The following Reception Modes can be selected WFM Mimil NFM GS Am and SSB EET Please refer to the Reception Mode section for detailed description of basic operation e Units can be entered when setting up Start Stop Scan Center frequencies Push the MHz key after inputting the frequencies to view the values 73 Sweep Sweep kHz See e Selecting Sweep Mode This button selects the Sweep Mode such as FREE Run LE SQUELCH Run 45 and SINGLE Run i Please refer to the Sweep Mode section for a detailed description of basic operation e The units input function can be used to set up Siart Stop Scan Center frequencies After input the value of frequency push the key of kHz for the units its Marker Marker DEL 74 e Selecting Marker functions After pus
41. unction of lower item or On Off push the Enter Key STEP 5 Exit the Menu after pushing the Menu Menu Key twice When the Menu Key is pushed one time you are in System 67 Menu 68 Spectrum Frequency Counter Set up the functions of Spectrum and frequency Function TEST Mode counter note TEST Mode is for Factory use Single Power Meter j y only Multi Power Meter N FM Set up the Reception Mode W FM Reception lts possible to set up with at Eb the Shift Key Shift button is upside down AM please check all buttons to confirm they are correct Free Run Set up the Sweep Mode Sweep er Squelch Run It could be set up with the ode Single Run Shift Key None Marker or function using Marker the Marker marker Delta MKR The mode can be set up ith the Shift Shit Key Squelch MKR eee K The mode can be set up Save Save Data with the Shift Key ier Load Dat The mode can be set up oa oad Data with the Shift Key dBm Level Unit dBuV dBmV Menu Restarting the System and Pre Reset clear all parameters for set up Memory CLR Delete the stored data Reset All Reset restarting the System INI system and delete the stored data 115 200 BPS 57 600 BPS 38 400 BPS Select the speed of serial Band Rate 19 200 BPS communeanon between the unit and PC 9 600 BPS 4 800 BPS None Connect PC Select the connection to
42. upplied and or power could result in damage to this instrument Do not operate this instrument if there is any doubt it is functioning properly if operating personnel feels the instrument is not operating properly return this instrument to B amp K Precision for service and repair to ensure the safety features are maintained e DC Power A CAUTION GROUND The operating Personnel must use the DC adaptor supplied with this instrument Other adaptors could result in damage to this instrument and it is the limitation of warranty Exterior DC input connector should be matched with polar DC connector tip must attach with polar grounding The operating personnel must use grounded power Restore this instrument e Instrument care CAUTION Avoid direct light Keep away the heating system Avoid high temperature Ex Inside of the car during the summer time Keep away from liquids Avoid high moisture and or poor ventilation Keep away from dust and or smoke Avoid extremely low temperature B amp K Precision 2640 Ni MH battery is rechargeable Charging is controlled from the power of the battery cell and the temperature of the battery Ni MH Rechargeable battery is going to increase temp slowly until the temperature is extremely higher Battery charging is finished automatically by checking the degree of the temperature dT dt For battery protection when the power of Battery cell is increased comparing regular tempera
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