Kenwood TM-701A User's Manual
Contents
1. 18 Duplex Operation MEMORY eee eene ren hen herren nnne 19 Microprocessor Memory Back up Microprocessor Initialization Memory Channel Memory 66 20 Memory Entry Memory Recall ede Memory Shift ccccssscscnssseesssscsceneees 23 SCAN Scan Options Hold Resume Programming Band NEM 24 Programmable Band Scan Memory Channel ZO Dual Scan Memory Channel Lockout Priority Alert Function 26 REPEATER OPERATION esssesposssssssasases 27 Transmitter Offsets Reverse Function Tone and CTCSS Operation Autopatch 28 TONE ALERT SYSTEM 29 5 BLOCK DIAGRAM and SCHEMATIC DIAGRAM another sheet 6 MAINTENANCE 30 In Case of Difficulty 31 7 OPTIONAL ACCESSORIES 32 CTCSS unit TSU 6 Remote Controller RC 10 1 2 wamE BEFORE OPERATION TO PREVENT ELECTRIC SHOCK FIRE AND OTHER INJU RY PLEASE NOTE THE FOLLOWINGS To avoid risk of electric shock under no circumstances should the unit be opened Do not place this unit where it will be exposed to direct sunlight or close to heating appliances To ensure good ventilation do not put anything on top of the cabinet an2. 5 6 Dual Scan Dual VFO Scan Press and hold the BAND key for longer than 1 second in the VFO mode Scan will proceed between the last UHF and VHF VFO fre quencies Press end hold the BAND key for longer than 1 second in the MR mode Scan will proceed between the last UHF and VHF Memory channels Dual Call channel Scan Press and hold the BAND key for mmi longer than 1 second in the Call Channel mode Scan will proceed between the two Call channels To cancel Dual Scan press the PTT switch or any front panel key except the BAND key 4 5 7 Channel Lockout This function allows you to specify Which memory chan nels you wish to scan during the memory channel scan function 1 Pross the MR key to select the Memory Channel Mode 2 Select the Memory Channel that you wish to skip by turn ing the tuning control or by pressing the microphone UP DWN switches Dual MR Scan 25 3 Press the F key for longer than 1 second The F indi cator will begin to flash Within 10 seconds of pressing the F key press the MR key Ax will ap pear to the left of the w memory channel number O This indicates the Memory channel will be skipped during the Memory Chan nel scan mode 123 4 9 ome 4 Repeat steps 2 and 3 to lock out any other channels you wish to skip 5 To cancel the lockout select the desired Memory Channel as described in steps 1 2 and 3 above A star should ap pear to the left of the memory
3. ij Note Ee 4 During the period memory channel 1 is being scanned you will not hear voice communications only the beep will be heard fa signal is is present 5 To turn this function off repeat step 3 The AL indicator should turn off E 4 6 REPEATER OPERATIONS 4 6 1 Transmitter Offsets All amateur radio repeaters utilize a separate receive and transmit frequency The receiver frequency may be either above or below that of the transmit frequency The config uration of most repeater will fall into one of the categories listed below VHF band TM 701A UHF band TM 701E UHF band HE 800 kHz 5 MHz 1 6 MHz 600 kHz 25 MHz 1 6 MHz ewe Offset Direction Vo select the desired transmitter offset direction press the SHIFT key Each time you press the key the transceiver will advance from one direction to the other i e to to with European versions to no offset simplex Automatic Offset Selection U S A version The TM 701A U S A version has been programmed accord ing to the standard ARRL Amateur Radio Relay League Band Plan with regard to transmitter offset direction Please see the accompanying chart for addition information on this programming You can of course override this by using the SHIFT key if desired 145 1 145 5 146 0 146 4 146 6 147 0 147 4 147 6 148 0 S Isi isi isi is 6 simplex Reverse Function Some repeaters
4. MA 4000 DUAL BAND ANTENNA REMOTE CONTROLLER C amp l a E MB 201 MOBILE MOUNTING PS 31 BRACKET PS 50 HEAVY DUTY DC POWER SUPPLY 34 B PG 3B LINE A DC POWER CABLE RC 10 REMOTE CONTROLLER IF 20 INTERFACE I PG 4J PG 4H INTERFACE ENTENSION CONNECTING CABLE M RC 20 CABLE KIT For Example Transceiver DC POWER SUPPLY PS 430 DC POWER SUPPLY KENWOOD o s fee e
5. e Passenger compartment If the wiring hole in the fire wall or chassis is too small disas sembie the fuse holder to thread the wire through the hole From passenger E Thread this B Ignition Noise This transceiver has been designed to suppress ignition noise however you may occasionally encounter an instal lation where the use of suppressor type plugs might be called for 3 2 2 Fixed Station A regulated DC power Supply 13 8 VDC capable of sup plying at least 7 Amperes is required The PS 430 or the PS 50 are recommended CAUTION 1 Never connect the AC power cable of the power supply to the AC outlet until all other connections have been made 2 Betore connecting and disconnecting the power connec tor be sure to turn OFF the POWER switch on the front panel of the transceiver and the power supply 3 Observe proper polarities when connecting the DC power cable to the supply Remember red is positive and black is negative 3 2 3 Antenna The type of antenna that is used will greatly affect the per formance of the transceiver Use a properly adjusted anten na of good quality to enable your transceiver to perform at its best The antenna input impedance is 50 ohms Use 50 ohm coaxial cable such as RG 8U or 8D 2V for this con nection If the antenna is far from the transceiver the use of low loss cable is recommended Match the impedance of the coaxial cable and that of the antenn
6. played 4 Rotate the tuning control or press the UP DWN switches on the microphone until the desired tuning step size ap pears in the display 5 To complete the programming of the step size you can press any key on the front panel except the POWER key or simply wait 10 seconds and the microprocessor will automatically return to the normal frequency display The chart below shows how the microprocessor will cor rect a new step size 5 10 16 20 to 12 5 25 12 25 to 5 10 16 20 10 5 o o eee 2 12 5 10 20 25 o 22 30 35 25 NE 32 40 45 s0 78 30 50 55 60 85 62 5 60 70 75 Uw 7 80 85 78 79 1 0 90 95 87 5 80 o 4 2 4 Programmable VFO tuning limits The radio provide the capability of programming the VFO tuning range in 1 MHz band segments as well providing 8 separate programmable band scan function See section 4 5 For example you could tell the transceiver that you only wish to tune the 144 000 MHz and 145 000 MHz band seg ment by specifying any frequency with these two segments The tuning controls microphone UP DWN switches would then only tune within these specific bands The procedure for specifying the bands is described below 1 Press the VFO key to select o the VFO mode 2 Rotate the tuning control or press the microphone UP DWN switches until the desired lower tuning range appears in the frequenc e lapi w100 i display For example you might want
7. key This key can be programmed to perform any of the fol lowing functions BAND key initial setting from the factory or MHz key or SHIFT key or TONE key or REV key or LOW key To program the key use the following procedure 1 Turn the POWER switch on the transceiver OFF 2 Press and hold the key on the front panel of the set that corresponds with the function you wish to program the microphone key to perform 3 Turn on the POWER switch while the key on the front panel is held in 7 4 Release the front panel key One additional function can be programmed that is not included on the front panel of the transceiver This is known as the MONITOR function This will allow you to open squelch to check the band for a clear frequency This will function even if you are operating in the CTCSS decode mode MONITOR programming Press and hold the F key on the front panel as you turn on the POWER switch of the transceiver and then release the F key 16 Tone keypad U S A version only These buttons are used to activate the DTMF encoder See 4 6 4 for further information on their use LOCK key This Key will deactivate all functions of the microphone except the PTT function and DTMF keypad o 4 2 RECEIVER OPERATIONS Audio confirmation is provided whenever a front panel key is depressed You can disable this function by pressing the E key for longer than 1 second and then pressing the REV STEP key 4 2 1 RECEPTION 1 Con
8. 16 2 The DIM key had been pressed 2 Press the F key and the LOW DIM key No control works LOCK is ON Set the Microphone Lock key to OFF position Memory cannot be backed up Backup battery voltage is low See Microprocessor memory back up page 19 31 7 OPTIONAL ACCESSORIES 7 1 1 CTCSS unit TSU 6 The use of the optional sub audible tone decoder TSU 6 al lows for CTCSS Tone Squelch operation When this option is active squelch will only open when the proper tone is received Installation Caution Before installation be sure to disconnect the DC power sup ply or battery or damage may occur to the equipment 1 Remove the 6 screws securing the Top cover 2 Gently remove the top cover Fig 11 3 Remove the backing from the small cushion provided with the TSU 6 and attach it to the back of the TSU 6 as shown in Fig 2 4 Attach the cable to the TSU 6 as shown in Fig 2 5 Remove the backing from the other side of the small cushion and attach the TSU 6 to the transceiver as shown 6 Replace the cover and tighten the screws to complete 7 1 2 Remote Controller RC 10 the installation To operate the transceiver with the RC 10 press and hold the CALL key on the transceiver and then turn on the POWER switch e To select the CALL channel when using the RC 10 press the F key on the RC 10 and then the VFO key e Please refer to the instructions provided with the RC 10 for a description of the other RC 10 functi
9. allows simul taneous receive on a UHF oV HF and transmit on the other band W 7 7 Note eem Some combinations of receive and transmit frequencies might cause a reduction in receiver sensitivity 7 VFO mode 1 3 Select the desired VHF transmitter frequency 2 Press the BAND key and select the desired UHF receive frequency Press the F key momentarily and then press the BAND DUP key The D indicator will turn on in the dis play to remind you thet duplex operation has been ac tivated Press the PTT switch The ON AIR indicator and the VHF transmitter frequency will appear in the display o MR mode 1 2 3 Select the desired VHF transmitter Memory channel Press the BAND key and select the UHF receive Memory channel un Press the E key momentarily and then press the BAND DUP key The D indicator will turn on in the display Press the PTT switch The ON AIR indicator and the transmitter frequency will appear in the display CALL channel mode Press the CALL key Press the BAND key to alternate between the two CALL channel display Press the F key momentarily then press the BAND DUP key The D indicator will turn on in the display Press the PTT switch The ON AIR indicator and the transmitting frequency will appear in the display MEMORY 4 4 1 Microprocessor Memory back up A lithium battery is contained in t
10. channel number To cancel the lock out press the F key for tonger than 1 second and then press the MR key The star indicator should turn off For longer than 1 second 4 5 8 Priority Alert Function The priority alert function allows you to monitor memory channel 1 for activity even when you are tuned to a differ ent channel number When the Priority Alert function has been activated the microprocessor will switch the tran sceiver to the frequency stored in memory channel 1 once every 5 seconds The transceiver will determine if a signal is present If no signal is present the transceiver will return to the original frequency if a signal is present beep will sound from the speaker to signal i the channel is busy This whole process takes just a fraction of a second so you will not see the display frequency change The only thing you 26 o will notice is a momentary loss of the signal on the current ly displayed frequency To activate the priority alert function 1 Ensure the frequency you wish to monitor has been entered into memory chan nel 1 2 Adjust the SQL control to sa f the threshold point E 3 Press the F key momentar ily and then press the SHIFT AL key The AL in dicator will turn on in the display to remind you that 4 4 5 5 0 MN this function has been ac o 1m i tivated SHIFTAL 4 If a signal is present a beep will be heard from the 145 6 5 0 speaker am n
11. memory channels is described below Memory Channel 1 is used to store the frequency of the Priority Alert function Memory Channel 13 is used to store the lower limit for the VHF Programmable band scan function Memory Channel 14 is used to store the upper limit for the VHF Programmable band scan function Memory Channel 15 is used to store the lower limit for the UHF Programmable band scan function Memory Channel 16 is used to store the upper limit for the UHF Programmable band scan function Memory Channels 17 20 are used to store odd split repeater data 4 4 4 Memory Contents Each Memory channel is capable of storing the following information ee mente oan tm eee 17 20 CALL Fewexydta o o o Tone Frequency Oo o o Tone status o o oo CTCSS status and Tone o o Frequency step o o 67 Shift status o Oy Reverse status _ 4 4 5 Memory Entry B Simple Normal transmitter offsets 1 Press the VFO key to select the VFO mode 2 Select the desired operating frequency offeet direction tone frequency CTCSS status etc For example 146 790 MHz o 3 Press the F key momentar ily The F indicator will turn on in the display and a memory channel number will appear Channel 8 for example Select the desired memory channel number by rotat ing the tuning control or by pressing the UP DWN Switches on the micro phone Channe
12. out of the connector is described in the accompany ing illustration 8 GND t3 GND Microphone audio 0 MIC Mei Audio Output i VFO key 2 100 mV 10 k Push to Approx mito km This key is used to return to VFO operation after operat ing in the MR or CALL channel mode Pressing this switch y OWN will allow the tuning control and microphone UP DOWN UP keys to increase or decrease the operating frequency Press and hold the key for longer than 1 second to initi 5 8 VOC Max 150 mA 2 VFO scan Pressing the key after scan has been in itlated will cause scan to stop Pressing the key within 10 seconds of pressing the F key 4 will copy the memory channel or call channel date toy he a This allows you to change parameters of that chan nel without actually changing the data that has been stored in memory 7 Pressing the F key for longer than 1 second and then pressing the VFO key will cause radio to toggie the hold resume mode between Time me Operated sc n and Car n Operated scan et a M you press and hold the VFO key while you turn on the POWER switch you will esey the microprocessor s VFO memory without destroying the memory channel or call channel data 2 MR key This key is used to select MR Memory Recall mode from the VFO mode The tuning control can then be used to select the desired Memory channel Pressing the key for longer
13. COO AN3 144 440MHz FM DUAL BANDEH TM 7Of 144 430MHz FM DUAL BANDER TM 701A TM 701E INSTRUCTION MANUAL KENWOOD CORPORATION Thank you for purchasing this new transceiver IMPORTANT Please read this instruction manual carefully before placing your transceiver in service MEE SAVE THIS INSTRUCTION MANUAL CAUTION Long transmission or extended operation In the HI power mode might cause the rear of this transceiver to get warm Do not place the transceiver where the heat sink rear panel might come in contact with plastic or vinyl surfaces This Instruction Manual covers the following models TM 701A 144 440 MHz FM DUAL BANDER U S A version TM 701A 144 430 MHz FM DUAL BANDER Other market TM 701E 144 430 MHz FM DUAL BANDER The following explicit definitions apply in this manual Note If disregarded inconvenience only no risk of equipment damage or personal injury Caution Equipment damage may occur but not per sonal injury CONTENTS 1 BEFORE 3 2 SPECIFICATIONS and ACCESSORIES 5 3 INSTALLATION INSTRUCTIONS 6 4 OPERATION OPERATING CONTROLS ess B RECEIVER scorers 1 Reception Frequency Se lection sesssesceserseenee 15 Frequency Step Selection Programable VFO 16 TRANSMITTER OPERATION
14. Hold Resume Programming Two type of scan hold resume have been provided in this transceiver a Time Operated Scan You may prefer that the radio stops on a busy channel and remains there approximately seconds and then continues to scan even if the signal is still present 23 Carrier Operated Scan in this mode the radio adio will stop scanning on a busy channel and remain there until the signal drops out The radio allows a 2 second delay before it resumes scanning so that you don t loose the station when operators change The radio is delivered from the factory in the Time Operat ed Scan mode To switch between the two modes use the following procedure 1 Press the F key for longer than 1 second The F indica tor will flash 2 While the indicator is flashing press the VFO key This will toggle the Hold Resume mode to the Carrier Oper ated mode 3 To return to Time Operated mode repeat steps 1 and 2 4 5 3 Band Scan To initiate Band Scan 1 Preas the VFO key to select the VFO mode 2 Adjust the Squelch control O to the Threshoid point For tonger than 1 second 3 Press and hold the VFO key for longer than 1 second The MHz indicator will be b 10 0 gin flashing to signal the ra Las 9 dio is scanning Flashing 4 Scan will begin in an upwards direction You can reverse the direction of scan by turning the tuning control coun terclockwise or by pressing the DWN switch on the
15. a so that the SWR will be less than 1 5 to 1 The protection circuit in the tran sceiver will activate if the SWR is particularly poor greater than 3 to 1 High SWR values will cause the transmitter output to fail off and may lead to TVI or BCI reports CAUTION NENNEN NE We recommend that you install a high quality lightening ar restor in your antenna lines for protection against fire elec tric shock personal injury or damage to the radio itself 4 OPERATION 4 1 CONTROL FUNCTIONS OO POWER switch Press to turn the transceiver ON or OFF 2 Tuning control This contro is used to select the desired transmit ter receiver frequenoy Memory Channel Frequency Step Tone Frequency Scan Direction eto 3 VOL control This control is used to adjust the volume from the Inter nal and external epeaker if used Clockwise rotation will increase the volume and counterclookwise rotation will decrease the volume SQL Squeloh contre This control is used to select the desired squelch threshold level LOW DIM key LOW This function le used to 001001 the transmit output pow er level or LOW DIM This function is used to select the intensity of the front panel display illumination It is used in conjunction with the F key i e press the F key and then the LOW DIM key to alternate between High and Low display inten sities 6 Microphone connector Attach the supplied microphone to this connector The pin
16. b LOW Indicates the relative output power setting for transmit No indicator indicates full power Rear Panel Black 1 ANTENNA connector Attach an antenna with a low SWR and impedance of 50 ohms A for 430 MHz or 440 MHz B for 144 MHz 2 13 8 VDC power input connector Connect the supplied OC power cable to this connector Pay close attention to the polarity Red is positive and black is negative 7 3 Fuse holder Contains a 8 A fuse Do not use a larger fuse as damage might result to the transceiver 4 External speaker jack This jack is used to connect an external speaker The speaker should have an impedance of 8 ohms ayn 1 UP DWN switches These switches can be used to increase or decrease the VFO frequency the Memory channel number and the Tone frequency ect PTT Push to Talk switch The transceiver will transmit whenever this switch is depressed Scan operations may be cancelled by press ing this switch without transmitting CALL key Exoept European Version This key functions just like the CALL key on the front of the radio 1750 key European version The transceiver will transmit with 1750 Hz repeater ac cess tone whenever this switch is depressed VFO key This key functions just like the VFO key on the front of the radio U S A version 13 6 D 8 9 14 MR key This key function just like the MR key on the front of the radio PF Programmable Function
17. ceiver loosely using the 4 SEMS screws that were supplied 3 Align the grooves in the bracket with the transceivers screws Fig A and slide the transceiver to the reer 4 Adjust the viewing angle of the bracket to the desired position Fig B Hold the transceiver in place and tighten the 4 SEMS screws using the wrench supplied with the mounting kit n EN Fig A Fig B o 3 2 CONNECTION 3 2 1 Mobile Installations Cautions 1 Before installing the power cable disconnect the nega tive lead from the battery for safety 2 After installation and wiring have been completed go back and check your work to ensure that you have not made any errors before you reconnect the negative bat tery lead 3 if the fuse opens be sure to check that each conductor is undamaged then replace the fuse with one of the same rating 4 After completing the wiring wrap the fuse holder with heat resistant tape to protect against heat and moisture 5 Do not remove the fuse even if the power cable is too long A Battery Connections Connect the power cable directly to the battery terminals Use of the cigarette lighter socket will lead to a poor con nection and will result in poor performance Pay close at tention to the polarity of the cables when connecting them to the battery Remember Red is positive and black i is nega tive Make sure the positive and negative lead polarity le correct when connecting to the battery
18. d ellow at least 15 cm 6 inches of space behind the unit The power requirement is 13 8 VDC o Do not pull the power cord when disconnecting it from the Never attempt connection to a 24 VDC source AC wall outlet Grasp the plug and ensure that your fingers do not touch the live pins Do not place the unit in areas of excessive dust high hu If an abnormal odor or smoke is detected immediately turn midity or on unstable surfaces the power off and pull out the power plug Contact the KENWOOD service station or your dealer Do not drop pieces of metal needles coins and other elec trically conductive materials into the unit CLEANING 1 Turn the power off before cleaning the unit 2 Do not use any type of abrasive pad thinner benzine or any substances which may damage the unit 3 Wipe the front panel and other exterior surfaces of the unit with a soft dry cloth or a soft cloth lightly moistened with water ue uo 2 SPECIFICATIONS AND ACCESS MES 2 1 SPECIFICATIONS Models Specifications MUN TM TONA A SL ME os Frequency range IMHz 144 to 148 438 to 450 144 148 430 to 440 144 to 146 430 to 440 Mode __ Mm d Antenna impedance Cy ___ _ Power requirements 13 8 VOC 18 11 7 to 15 8 _ Ground Wegete 5 B Frequency stability Less than 10 ppm EN u Transmit mode Less than 6 8 A Current Drain mode with no signal Less then 0 6 A Operating tempera
19. damage may result during shipment Notes 1 Record the date of purchase serial number and dealer from whom purchesed 2 For your own Information retain a written record of any maintenance performed on the unit 3 When claiming warranty service please include a pho tocopy of the bill of sale or other proof of purchase show ing the date of sale must accompany t the tra transceiver o 6 3 IN CASE OF DIFFICULTY o The problems described in this table are failures caused in general by improper operation or connection of the transceiver not by defective components Examine and check according to the following table Symptom Probable cause Corrective action Indicators do not light and no receiver noise is 1 Bad power cable or connections 1 Check cables and connections heard when the POWER switch is turned on 2 Blown power supply fuse 2 Check for the cause of the blown fuse and replace the fuss No sound from the speaker No signal be 1 Squelch is closed 1 Tum the SQL control counterclockwise received 2 With the TSU 6 CTCSS is operating 2 Press the TONE T ALT key to turn off the CTCSS No transmitter output t Microphone jack not plugged in 1 Plug jack in 2 Poor antenna connection 2 Connect antenna securely Weak signal cannot be received Poor antenna connection Connect Connect antenna securely Display is dark 1 Power voltage is low 1 Check v Check voltage for 13 8
20. have been included in the box with the transceiver MC 44DM DTMF Microphone U S A 191 0380 X5 1 ea or Microphone T91 0379 X5 1 ea or Microphone European version T91 0382 X5 1 ea Microphone Hook U S A only J20 0319 24 1 ea Self Tapping Screw U S A N46 3010 46 2 ea Mobile Mounting Kit 1 1 J29 0436 03 1 ea Stack 21 4147 14 2 Mounting Screws N99 0331 05 1 ea SEMS Screw 4 ea Self Tapping Screw 4 ea Flat Washer 4 ea Wrench eseeeeennn nnn WO1 0414 04 1 ea OC Power Cable E30 2111 05 1 ea Fuse 8 F05 8021 05 1 ea Instruction Manual B50 8269 XX 1 copy Warranty Card U S A and European version 1 ea 3 INSTALLATION INSTRUCTIONS 3 1 INSTALLATION Mounting Bracket When installing the transceiver in your vehicle consider the ease of operation and safety when selecting the location for the mounting bracket 1 install the bracket using the flat washers and self tap ping screws that were supplied with the transceiver 4 Pieces ea 2 Attach the trans
21. his transceiver to retain memory Turning OFF the POWER switch disconnecting the power cable or an intermittent power fallure w ores th memories The battery life is estimated at yeers When the battery has been exhausted erroneous information might appear in the display Um oo Lithium battery replacement should be performed by an authorized KENWOOD service facility or your authorized KENWOOD deaier This equipment contains CMOS circuitry and can be damaged by improper replacement procedures 4 4 2 Microprocessor Initialization The initia state of the microprocessor as delivered from the factory Is shown in the chart below Frequency Memory Channel 440 000 MHz Frequency 144 000 MHz U S A version Channel 430 000 MHz Frequency 6 kHz Frequency Step 12 6 kHz 26 kHz European version Memory Channel 2 CH 1 CH Tone Frequency 88 5 Hz 88 5 Hz 18 Microprocessor Initialization When you want to erase all programmed data or if the dis play should show erroneous information you should initial ize reset the microprocessor using the following procedure 1 Turn the POWER switch 2 Press and hold the MR key 3 Turn on the POWER switch 4 Release the MR key 4 4 3 Special Memory Channels This transceiver provides 20 Memory Channels In addition to serving as normal memory channels some of the chan nels serve dual purpose and specify other parameters The functions of these
22. ingdom a 1750 Hz tone is used in transmit Press and hold the microphone 1750 key to transmit with the access tone you need not press the PTT key Since this tone is required in Europe and the United King dom a 1750 Hz tone encoder is included with models deli vered to these countries Tone Frequency Tone Frequency Selection 16h 1072 187 9 He 71 0 He 1169 1738 1 Press the F key for longer Jam than 1 second The F indi 77 00 118 8 me 196 242 cator will begin to flash 70 7 He 12300 192 812 825 Hz 127 3H 208 8 H Press the TONE T ALT key ui ie lave 203 within 10 seconds of 88 5165 136 50 216 1 Hz pressing the F key The HM ur i2 a BM current tone frequency will gj 4 i 161 4 Hz 241 8 Hr show in the display 100 0 Hz 156 7 Hz 260 3 Hz 2 Rotate the tuning control 103 5 He 16221 or press the microphone Mete 974 available only UP DWN switches to or encode select the desired tone fre quency 3 Press any front panel key to return to the normal fre quency display 28 Tone CTCSS Operation Press the TONE T ALT key and select the desired Tone mode When the T indicator appears in the display the trans mitter will transmit the desired tone When the CTCSS in dicator appears in the display the transceiver will transmit the desired tone and will also operate in the Tone Squeich mode i e squelch will not open until the same tone is received as a portion
23. l 5 for example Press the MR key within 10 seconds of selecting the memory channel number A long beep will sound and the F indicator and memory channel number will turn off This signals that the data has been properly stored in memory Split Memory Channels Press the VFO key to select the VFO mode Select the desired receiver frequency tone informa tion etc For example 145 600 MHz Press the F key momenter The F indicator and a memory channel number will appear in the display Channel 5 for exemple Select any memory chan nel from 17 thru 20 using the tuning controls Press the MR key within 10 seconde of selecting the memory channel number A beep will sound and the F and Memory channel in dicators will turn off in the display i S500 1 1 Ve i 378 y 21 6 22 Within 10 seconds of pressing the MR you should select the desired transmit frequency using the tuning controls microphone UP DOWN switches For ex ample 146 700 MHz Press the MR key within 10 seconds of selecting the transmit frequency A beep will sound to signal the data has been successfully stored To confirm the contents of the memory channel press the MR key The pro grammed receiver frequen cy should appear in the display along with both a and offset direc tion indicator This signals you that this channel has an odd sp
24. lit entered To check the transmit fre quency press the REV STEP key or the PTT key The transmit frequency will appear in the display 195 100 fln m O 45600 i2 v2 stie 15 100 ras gt Call Channel Press the VFO key to select the VFO n mode Select the desired operat ing frequency tone data etc For example 146 100 MHz Press the F key momentar ily The F indicator will turn on and the Memory chan nel indicator will turn on Channel 8 in the example Press the CALL key within 10 seconds of pressing the F key to enter the data into memory A long beep will sound and the F indicator and memory channel indi cators will turn off to con firm data entry 16 100 5 See o3 M St e ben 46 100 7 a m 7 CAU 46 100 9 om 4 4 6 Memory Channel Recall When recalling a memory channel using this procedure you will not be able to adjust the frequency or tone data The memory channel acts very much like the old crystal con trolled radios e the data is fixed and cannot be changed by mistake 1 Press the MR key to select the MR mode The memory channel indicator will turn on in the display 2 Rotate the tuning control or press the microphone UP OWN ewitches to select the desired memory channel 4 4 7 Memory Shift Using this function you can copy the conten
25. microphone Clockwise rotation of the tuning control or pressing the UP switch will cause the radio to begin scan ning upwards again The tuning step size depends upon 24 the current STEP selection Scan will stop on busy channel i e a station that is strong enough to open squelch and turn on the BUSY in dicator 6 You can cancel scan with any front panel key or the microphone PTT switch 4 5 4 Programmable Band Scan 1 For example UHF band the lower scan limit should be stored into memory channel 15 and the upper scan limit should be stored into channel 16 CAUTION If the frequency in memory channel 15 is equal tc to or higher than the frequency stored in channel 16 scan will proceed over the entire tuning range of the set i e it will function like the Band Scan previously described 2 Adjust the SQL control to the squelch threshold point 3 Press the VFO key to select the VFO mode 4 Select a frequency between the two programmed scan limita 5 Press the VFO key for longer than one second The MHz indicator will begin flashing as a visual reminder the tran sceiver is scanning 6 Scan will begin in an upwards direction You can change the direction of scan by turning the tuning control or by pressing the microphone UP DWN switches 7 Scan will stop whenever a signal is received that will open the squelch of the radio 8 Press the PTT switch or any front panel key to s
26. nect the power supply antenna and microphone and then adjust the controls as follows Power Switch OFF Vol Control Full Counterclockwise Power switch of power supply OFF Fixed Station SQL Control Full Counterclockwise 2 Turn on the Power Supply and then turn on the tran sceivers POWER switch The display should indicate a frequency Fig 1 shows examples of frequencies that will appear on the various models In addition to the fre quency you may see one or more control indicator turn on in the display o Note select the another band press the BAND key momentar y The frequencies shown above are the default frequencies In the MR mode if a channel has no data of the band after a microprocessor reset If the display shows incom plete data or you think the displayed frequency is in error you should reset the microprocessor using the instructions provided in the Microprocessor Memory Initialization on page 20 3 Rotate the VOL control clockwise until a signal or noise is heard coming from the speaker 4 Rotate the tuning control or press the microphone UP DWN switches to select an open channet Then ro tete the SQL control clockwise until the noise just dis appears and the BUSY indicator turns off This point is known as the Squelch Threshold point The squelch con trol must be adjusted to this setting for the Scan func tions to operate properiy 5 Select the desired operating frequency using the micro phone or tu
27. ning control When a signal is received the S meter will deflect and the BUSY indicator will turn On CAUTION es Turn off the transceivers POWER switch before you start or stop you vehicles engine or home power supply 4 2 2 Frequency Selection You can change the dial frequency while in the VFO mode The frequency can then be also be stored in memory or in the call channel using the techniques that will be described in this manual the band can not be selected VFO mode MR key VFO key VFO key CALL key MA key MEMORY channe mode CALL channel mode CALL key VFO Mode Operation Frequency Selection 1 Press the VFO key to select the VFO mode 2 Rotate the tuning contro or press the microphone UP DOWN switches to select the desired frequency Memory Channel Selection 1 Press the MR key 2 Rotate the tuning control or press the microphone UP DWN awitches to select the desired memory channel CALL Channel Selection Press the CALL key to select the Call channel 4 2 3 Frequency Step Selection The frequency step is indicated in the chart below 5 e 10 15 e 20 gt 12 5 gt 25 To select the desired tuning or scan step size use the fol lowing procedure 1 Press the VFO key to select the VFO mode 2 Press the F key momentarily The F indicator should light in the display 3 Press the REV STEP key within 10 seconds of pressing the F key The current frequency step size will be dis
28. ntrol oper ator for this sequence 1209 a 1336 1477 z Hz 1633 ooo 0 Tone Alert System The Tone Alert function will provide an audible Alarm to signal when someone is transmitting on the frequency you are monitoring When used in conjunction with the CTCSS function this would allow the transceiver to act similar to private pager system 1 Adjust the SQL control to the threshold point 2 If you will be using the CTCSS function you should select the proper tone frequency and ensure the CTCSS indi cator is on in the display 3 Press the F key and then the TONE T ALT key The T ALT indicator will light 4 When a signal is received that will open squelch the fol lowing actions take place The T ALT indicator will begin to flash The busy indicator will turn on The audio alarm will sound Note When using the CTCSS function the incoming signal must be present for approximately 2 seconds in order for the T ALT to function properiy Tone Alert System can not use in conjunction with Scan 5 The T ALT function can be released by pressing the F key and then the TONE T ALT key again or by pressing the PTT switch while the T ALT indicator is flashing 6 MAINTENANCE 6 1 GENERAL INFORMATION Your transceiver has been factory aligned and tested to specification before shipment Under normal circumstances the transceiver will operate in accordance
29. of the incoming receive signal When no Indicator is on the radio will not make use of either tone feature Note The tone frequency of 97 4 Hz is available for tone encode only No Tone Squeich is possible with this frequency 4 6 4 Autopatch Operations U S A versions only Some repeaters offer service known as autopatch This feature allows you to dial a telephone number from your transceiver and carry out a telephone conversion much like care telephone or cellular telephone This function requires the use of a DTMF Dual Tone Multi Frequency ped The MC 44DM microphone provides the normal keys you would have on your telephone at home as well as 4 additional keys the A B C and D keys These keys are used for con trol purposes on some repeater systems You should check with the control operator of the repeater to see if they offer autopatch services A chart is provided that lists the vari ous tone frequencies that are generated by the Keypad To activate the keypad 1 Press and hold the PTT key 2 Press the keys just like you would dial you telephone at home o 3 The transceiver will remain keyed for approximately 2 seconds after you press each number so you can release the PTT switch without unkeying the tran sceiver Note Some repeaters will require the use of a special key se quence to activate the Au topatch function You should check with your co
30. ons 32 7 2 ACCESSORIES MC 44 MC 44E Eurnpesn Version MULTI FUNCTION MICROPHONE MC 60A MICROPHONE 8 pin The zinc die cast base provides high stability The MC 60A is complete with PTT and LOCK switches UP DOWN switehes impedance selar tor switch and built wi pre ornplifier i 8 SP 41 MOBILE SPEAKER 4 ohms WITH AUTOPATCH MC 80 MICROPHONE 8 pin The MC 80 is an omnidirectional electret con denser microphone that is provided with UP DOWN switches volume adjustment for out levet PTT and LOCK awitches and a built in pre amplifier f SP 508 MOBILE SPEAKER 8 ohme Compact and smart high quality external speak et provides flexibility of instalation for maximum convenience MC 55 MOBILE MICROPHONE 8 pin The MC 55 provides UP DOWN switches LED display for switching transmit or receive ad justable microphone gain automatic timeout cir cuit approx 5 minutes and many other functions moe a as il MC 85 MICROPHONE 8 pin The MC 85 is a unidirectional high class electret condenser microphone provided with an output selector switch audio level c circult low cut filter levei meter PTT and LOCK Switches SP 430 EXTERNAL SPEAKER The 8P 430 is an attractive compact external speaker This low distortion speaker provides clear reproduction of the high quality audio obtained from the transceiver 33 i CTCSS UNIT TSU 6
31. rt over again if the F indicator turns off To operate the transceiver with the RC 10 press and hold the CALL key on the transeo and then turn on the POWER switch Foes 2 ti GHIF TAL TONET ALT REVSTEP BANDDUP 1 2 3 4 D SHIFT AL key SHIFT funciion Pressing this key alone to select the desired transmitter offset direction Pressing the key will cause the radio to shift from one offset direction to the other i e to to simplex where no indicator shows to 7 for European versions ie t CH AC function ALERT 7 hrom Pressing the key momentarily and then easing the SHIFT AL key will cause the radio to activate the ty Alert function When this function is active the radio will scan the contents of memory channel 1 at approxi N 2 TONE T ALT key mately 5 second intervals If there is activity on the fre quency a beep will sound from the speaker Pressing the same key sequence again will cancel the function Pressing the F key for longer than 1 second and then pressing the SHIFT AL key will store the currently dis played data as the upper limit for the programmable VFO tu limit function ning To Hoye 4 OU Pressing this key by itself causes the radjo to select the desired tone signallin When T indicator is illuminated in the display the transceiver will transmit the selected subaudible tone When the CTCSS indicator is illuminated the transceiver will both
32. ssing the REV STEP key will turn the BEEP function OFF or ON 4 BAND DUP key THE 7 ThA Sd This key is used to change bands Pressing the F kay momentarily and then the BAND DUP key will cause the duplex function to activate 11 LCD DISPLAY PANEL o0 o D LOCK On when the LOCK function has been ac tivated 2 Displays the selected transmitter offset direction European version REV On when the Reverse function has been activated 4 AL On when the Priority Alert function has been activated lt 1 when the Tone Encode function is active CTCSS when the Tone Decode function is active e On when the Tone Alert function is active The indicator fla when an incoming signal has opened the squelch 12 o 088 888 Displays the operating frequency to the nearest kHz digit the frequency step size or the tone frequency The indicator flashes when scanning On when the squelch opens mam This level meter indicates the relative receiver signal strength or the relative transmitter power output Ore7 77 1On whenever the key has been depressed Also shows the last memory L channel number that had been selected Qr 771 The windicator is on whenever the dis play amp d memory channel will be skipped L9 J during memory scan operations ONAIR On during transmit D On during duplex operations
33. sure that an antenna with a low standing wave ratio SWR is attached to the antenna connector before at tempting to transmit Failure to provide proper termina tion may result in damage to the final amplifier section 2 Always check to ensure the frequency is clear before transmitting Note 4 The use of LOW power is recommended whenever possi ble to avoid interfering with other stations 4 3 1 Transmit Basics 1 Select the desired operating frequency using any of the methods previously discussed 2 Check the frequency to see if it is occupied before you transmit 3 Press the PTT switch The ON AIR indicator will fight and the RF meter will deflect to the right Note If you have selected the LOW power position the low indicator will appear in the display and the RF meter will only deflect slightly When HI power has been selected the RF meter will swing full scale 4 Speak into the microphone The he recommended distance to the microphone is 5 cm 2 inches 18 Note i Talking closer may result in overdeviation of your trans mit signal which might be reported as a loss of clarity or of an excessively wide transmit signal Talking too far away may result in reports of weak audio Release the PTT switch to return to the receive mode The ON AIR indicator should go out and the RF meter will return to zero 4 3 2 Duplex Operation Pressing the PTT switch on the microphone
34. than 1 second will initiate memory channel scanning Pressing the ke key within 10 seconds of pressing the F key will store the displayed data into memory the MR channel mode pressing the F F key for longer than 1 second and then pressing the MR key will cause the Memory channel td skip uring Memory channel scan mode If you hold and press this key while you turn on the POW ER switch you will clear all the microprocessor s opera tor programmed memory section MHz key This key is used to tell the microprocessor that you wish to increase or decrease the operating frequency in 1 MHz increments Pressing this key within 10 seconds of pressing the F key will cause the key lock function to activate protecting the currently displayed data from accidental erasure 4 key 10 Press this key to activate the call channel function Press the F key momentarily and then press the CALL key to store the currently displayed data into the CALL channel The radio will allow you up to 10 seconds to press the CALL key after pressing the F key Press the F key for longer than second so that the F F indicator begins to flash Then press the CALL key to nter the lower limit for the programmable tuning limit function I you wait longer than 10 seconds to press the CALL key after the F begins flashing the microprocessor will assume that you pressed the key in error and cancel the function You will have to sta
35. to select the 144 MHz band and dial up 144 100 MHz 3 Press the F key for longer than 1 second The F indi cator should begin flashing o 4 Press the CALL key within 10 seconds A long beep will sound and the F indica tor will turn off in the dis play This indicates that the lower limit has been suc cessfully stored in memory Now select the desired upper tuning limit using the MHz key and tuning control microphone UP OWN switches With our example we want the upper band limit to be in the 145 MHz band and therefore dial up 145 100 MHz Press the F key for longer than 1 second The F indi cator will again begin flashing Press the SHIFT AL key wi thin 10 seconds A long beep will sound and the F indicator will turn off in the display This indicates that the upper limit has been successfully stored in memory e A 5100 s 2 3 4 9 sae 5 100 1 dtiu To confirm that the programming was properly performed rotate the tuning control or press the UP DWN switches The transceiver should not go above below the programmed band limits To both programmed limits simultaneously you should initialize the VFO memory using the proce dures discussed on page 10 You can reprogram either limit Independently by following the appropri ate instructions above L 4000 145 975 _ 17 4 3 TRANSMITTER OPERATION Cautions 1 En
36. top scan o 4 5 5 Memory Channel Scan Memory channel scan can be used to scan the memory channels that contain VHF frequencies only UHF frequen cies only or all hannels VHF and Use the following procedures to select the desired scanning method 1 Adjust the SQUELCH control to the threshold point 2 Press the BAND key to select either the VHF or UHF band The band that is selected will determine which memory channels will be scanned As an exemple if the VHF band is selected only the memory channels that contain a VHF frequency will be scanned 3 Press the MR key for longer than 1 gecond The MHz in dicator will begin flashing and the memory channel indi cator will indicate the memory channels that are being scanned 4 If you want to scan the contents of allvHr and UHF memory channels press the BAND key while scanning is in progress If you only want to scan the memory ry chan nels of the band selected in step 2 do not press the BAND key 5 Scan will begin at the current memory channel and pro ceed upwards thru the memory channels You can change the direction of scan by turning the tuning con trot or by pressing the microphone UP DWN switches Note Only those memory channels that have data entered and that have not been locked out will be scanned 6 Scan will stop whenever a signal is received that is capa ble of opening squelch 7 To cencel scan press the PTT key or any other front panel key
37. transmit the subau tone and will also remain squelched ui until the proper subaudible tone is received if you press the F key momentarily and then press the TONE T ALT key the T ALT Yunction will be activated Th s function will cause the radio to emit a series of beeps when an incoming signal i is received that will open the squelch The function will work with us or without the CTCSS option installed TONE frequency selection n Pressing the E kay for longer than one second and then pressing the TONE T ALT key will allow you to select the desired tone frequency The display will indicate the cur rent Tone frequency To change to a different tone fre quency rotate the tuning coi control or press the UP DWN switches on n the microphone until the desired tone fre quency appears in the display To return to the normal frequency display you can press any front panel key e ex cept the power switch 777 3 REV STEP key foe C ww y eft This key is used to reverse the transmit receive frequen cies during repeater operations If you have selected sim plex this key will not function Pressing the F key momentarily and then the REV STEP key will allow you to select the desired VFO and Scan step size Use the tuning control to the desired tuning step and then press ress any front panel key except the POWER switch to return to the normal Tro quency display 7 Pressing the F key for longer than 1 second and then pre
38. ts of a memory channel or call channel to the VEO without changing the data in memory This will allow you to change the tone data or tune normally if you wish 165 100 1 Press the MR key or CALL key to select the appropri ate mode B 96 100 Sb 8 2 E z 2 Press the F key momentar ily The F indicator will light 3 Press the VFO key within 10 seconds of pressing the F key The F indicators will turn off to signal the data has been successfully transferred to the VFO Note If an Odd Split Memory channel is selected y you will only transfer the Receive data Transmit data will not be copied o 4 5 SCAN 4 5 1 Scan Options The following scan options sre available Band Scan Scan proceeds over the entire band This function operates in the VFO mode only Band Scan Programmable Band Scan The VHF scan range in this mode is specified in memory channels 13 and 14 The UHF scan range in this mode is specified in memory channels 15 and 16 This function operates in the VFO mode only Memory Channel Scan Scan proceed thru those memory channels that have data stored and have not been locked out This function oper ates the in MR mode only Dual Scan Scan proceeds alternately between the last VHF and UHF channels that appeared in the display This function oper ates in the VFO mode the MR mode and the CALL chan nel mode Scan can not use in conjunction with the Tone Alert System 4 5 2
39. ture 20 C to 60 4 F 1 to 140 F Dimensions W H7 D immi 140 x 40 x 200 8 1 2 x 1 37 64 x 7 7 8 Projection included 141x42x 212 5 9 16 x 1 21 32 x 8 11 32 2 Weight 1 4 3 1 Output power 26 we g e power tow Approx BW _ _ EN 5 Modulation Reactance modulation MEN E Spurious radiation Less than 60dB ______ amp Maximum frequency deviation _ 7 e46 khe S f Audio distortion at 60 modulation Less than 3 1300 to 3 to 3000 Hz Microphone impedance 500 to 6000 0 Circuitry Double conversion Superheterodyne MN fntermediste frequency 1st 2nd 90 828 MHi ABB kHz _ _________ g Sensitivity 12 dB SINAD Coss then 0 16 aV gt 6 dB More than 1 12 kHz _ EE Selectivity 60 dB Less then 24 Spurious response Better then 60 d c Squelch sensitivity Less t than 0 1 n _ MEN Output 5 distortion More then 2 W across loads _ _ __ External speaker impedance 80 Notes m mme 1 Circuit and ratings are subject t to change without r notice due to advancements in technology 2 Recommended duty cycle 1 minute Transmit 3 minutes Reception 2 2 ACCESSORIES Unpack your new transceiver carefully and examine it for visible damage If the equipment has been damaged in ship ment notify the transportation company immediately Save the boxes and packing material for future shipping The following accessories should
40. utilize Reverse Pair i e the transmit receive frequencies are exactly the reverse of another repeater For example repeater A uses 146 000 for a trans mit frequency INPUT and 146 600 for a receiver frequen cy OUTPUT Repeater B might use 146 600 for a transmit frequency and 146 000 for a receive frequency It would be inconvenient to have to reprogram the transceiver each time you wanted to use these repeaters The REV key allows you to easily reverse the transmit and raceive frequencies To use the REV function press the REV key The REV indicator will turn on in the display to remind you that you are working a reverse pair To return to normal press the REV key again The REV indi cator will turn off This function Is also useful to check the input frequency of the repeater so that you can determine if you are within range for simplex communications 4 6 3 Tone and CTCSS operation Some repeaters require the use of a control signal to acti vate the repeater Several different methods are currently in use In the United States sub audible tones are sometimes used 38 different Sub audible frequencies are possible With the use of the optional Sub Audible tone decoder unit TSU 6 you will be able to operate in a Tone Operated Squeich Mode When this option is installed and the CTCSS func tion has been activated the radio will not open squelch un til the proper tone received 27 In Europe and the United K
41. with these instruc tion manuals All adjustable trimmers and coils in your tran sceiver has been adjusted at the factory and should only be readjusted by a qualified technician with proper test equipment Attempting service or alignment without fac tory authorization can void the tranaceiver s warranty When operated properly the transceiver will provide many years of service without requiring realignment The infor mation in this section gives some general service procedures which can be accomplished without sophisticated test equipment 6 2 SERVICE Should it ever become necessary to return the equipment to your dealer or service center for repair pack it in its origi nal box and packing and include a full description of the problems involved Also include your telephone number You need not return accessory items unless directly related to the service problem 30 Service note Dear OM if you desire to correspond ona a technicel or oper ational problem please make your note short complete and to the point and PLEASE make it readable Please list Model and serial number The problem you are having Please give sufficient detail to diagnose Information such 88 other equipment in the station meter readings and any thing else you feel might be useful in attempting j diagnosis Caution Do not pack the equipment in crushed newspapers for ship ment Extensive
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