user manual - Viavi Solutions Inc.
Contents
1. Calibration Certificate seo 7 000 c Rev 002 MSQ 800 Operating Manual Section 3 Preparation for Operation Section 3 Preparation for Operation Perform an external examination to make sure your MSQ 800 is free from any visible physical or mechanical damage Upon receipt of the package check the availability of the items contained in it against the list provided Section 2 2 Package Contents If the MSQ 800 has been stored in an extreme environment which exceeds the rated operating conditions place the unit inside a temper ature controlled facility corresponding to normal operating conditions of the analyzer for 2 hours prior to operation Section 4 Operation Procedure 4 1 Controls and Rev 002 Figure 1 1 illustrates the location of controls indicators and connec Indicators X tors These elements have the following functions a Oo 3J F1 F2 function keys enable the commands corre sponding to icons shown on bottom line of the screen of the MSQ 800 key allows for returning to a previous menu level AUX key enables auxiliary functions A WV 4 and p gt arrows allow to edit the current operation mode EX key enables the current command key switches the power of MSQ 800 on off EA key enables auxiliary functions 7 12V DC 600mA connector is for connection to an external power source USB2. connector is for interoperability with MSQ PC INPUT connector is for signal input F male connector MSG 800 Operating Manual Section 4 Operation Procedure 4 2 Preparation for Measurements Before operating your MSQ 800 carefully read this Operating Manual and familiarize yourself with the location of the controls and indicators of the MSG 800 Section 4 1 Controls and Indicators To operate the MSQ 800 using an external power source connect the charger to the port located on the bottom of the MSQ 800 and then to the power source To operate the MSQ 800 in stand alone mode powered by the batteries push and hold the key until the LCD backlight turns The following message appears on the screen Figure 4 2 1 MS5G 800 HicroSteslth GAN 2JDSU Figure 4 2 1 The screen displays the name and model of the MSQ 800 After approximately 1 second the MSG 800 opens the main mode selection menu Figure 4 3 1 further referred to as Main menu When you turn the MSQ 800 on for the first time the channel template selection mode opens Figure 4 2 2 Figure 4 2 2 Rev 002 Rev 002 MSG 800 Operating Manual Section 4 Operation Procedure This mode allows you to select the channel template corresponding to the region of the planned operation of your MSG 800 Use the lt q and p gt arrows to select the template from the following list China PAL B G PAL Ireland PAL UK SECAM D K Fran
3. key to return to the Main menu 9 MSG 800 Operating Manual Section 4 Operation Procedure 4 3 2 LEVEL Measurement Mode 10 The icon in the Main menu refers to LEVEL measurement mode In this mode the user can measure TV channel level parame ters in Channel mode Ch and signal levels by freguency in Freguency mode Freg The screen view in channel parameter measurement mode is shown in Figure 4 3 3 for the analog channel and in Figure 4 3 4 for the digital channel T 8 2 E Di 98 DT ode cic Sr Figure 4 3 3 The following data is shown on the screen 1 channel number 2 selected channel plan name 3 channel level measured in dBmV dBuV or dBm 4 selected freguency in MHz 5 V A ratio in dB 6 command line with commands activated by the F1 F2 or F3 keys 7 channel name 8 direct voltage or effective alternating voltage at the input of the MSQ 800 at 50 60 Hz frequency in V 9 C N ratio in dB Rev 002 Rev 002 MSG 800 Operating Manual Section 4 Operation Procedure an IDEE 3 346 000 DIGITAL Figure 4 3 4 When the digital channel level is measured you will see DIGITAL instead of V A or C N on the screen When you open LEVEL mode the channel plan name is indicated by Plan on the second line from the top while operating in Level mode If the channel plan has not been selected in this
4. MSQ 800 Operating Manual Wavetek Series Field Meter MSQ 800 Operating Manual Wavetek Series Field Meter gt JDSU Rev 002 MSG 800 Operating Manual Table of Contents Table of Contents Section 1 General Information 1 1 1 Introduction 0 0 ee es 1 1 2 Safety Precautions 2 Section 2 General Description and Principles of Operation 3 2 4 FUNCIO 22 ng ee re ree See dr YR cy 3 2 2 Package 4 Section 3 Preparation for Operation 5 Section 4 Operation Procedure 5 4 1 Controls and Indicators 5 4 2 Preparation for Measurements 6 4 3 Measurement Procedure 8 4 3 1 General Information 8 4 3 2 LEVEL Measurement Mode 10 4 3 3 SCAN Measurement Mode 14 4 3 4 TILT Measurement Mode 15 4 3 5 MER BER Measurement Mode 16 4 4 Autotesb 1s each e Ye eae e AR 18 4 4 1 General 18 4 4 2 Channel Plan Editor 18 4 4 3 Channel Autotest 22 4 5 Device Status Mode 28 4 5 1 General
5. p gt arrows Using the F1 and F2 keys you can select channel parameter measurement mode or switch to SCAN mode Section 4 3 3 SCAN Measurement Mode 13 MSQ 800 Operating Manual Section 4 Operation Procedure 4 3 3 SCAN Measurement Mode 14 The icon in the Main menu refers to the SCAN measurement mode This mode displays the signal levels as a bar graph See Figure 4 3 6 Figure 4 3 6 The following data is displayed on the screen 1 number of channel indicated by marker 2 command line with commands activated by F1 or F2 keys 3 channel name 4 measured level of channel indicated by marker in dBmV dBuV or dBm 5 marker 6 channel status AN DG analog digital Use the lt q and p gt arrows to navigate the marker If no channel plan has been selected all channels of the channel allo cation standard are displayed on the screen Channel modulation type is determined automatically when you open the mode and what is shown by the progress indicator channels scanning The modulation type of the channel indicated by the marker is shown in position 6 while the measurement is being performed If one of the channel plans has been selected the scanning is only performed over the selected channels Navigation by using the lt q and p gt arrows is only fulfilled within the selected channel plan The channel name is displayed in position 3 modulation type is
6. 4 modulation type OAM64 or OAM256 Symbol rate in Msps 5 MER value in dB 6 preBER value 7 postBER value 8 command line with commands activated by the F1 or F3 keys 9 channel name 10 demodulator status When this mode is activated or tuning to a channel is performed the MSQ 800 starts the input signal synchronization process which is indicated by a progress bar in position 10 The LOCK message appears in position 10 once synchronization is achieved Some time later MER preBER and postBER measured values appear in positions 5 6 7 To measure channel parameters select the required channel using the 4 and p gt arrows If no channel plan is selected use the 4 and p gt arrows and switch to any channel according to the appropriate TV standard Section 4 6 Setup Once a signal is detected the MSG 800 automai ically determines the modulation type symbol rate and spectrum inversion If one of the channel plans has been selected Section 4 6 Setup the tuning is performed between the digital channels of the plan In this case the channel name from the channel plan is shown in position 9 The channel parameters are taken from the channel plan If the selected channel plan does not include any digital channels tuning to channels is not performed You can access other measurement modes using the function keys The F1 key activates SCAN measurement mode Section 4 3 3
7. Tel 49 7121 86 2222 Fax 49 7121 86 1222 Wavetek Series Field Meter September 2009 English www jdsu com
8. To select the desired function in the Main menu press the A or V arrow to move the corresponding icon to the bottom line of the screen Then press the function key F1 F2 F3 under the icon Press the Eh key to return to the Main menu To open the Configuration menu activate the Configuration function The Configuration menu appears on the screen 8 Rev 002 Rev 002 MSG 800 Operating Manual Section 4 Operation Procedure Figure 4 3 2 The Configuration menu shown if Figure 4 3 2 contains six icons corresponding to the following functions 1 Battery Level 2 About 5 Channel Plan 7 6 Self Test e Press the key to return to the Main menu The MSQ 800 offers four modes to measure TV signal parameters a Signal level and TV channel power in channel or frequency tuning as well as alternating and direct voltage at the input of the MSG 800 in LEVEL mode b TV channel levels in SCAN mode c TV channel level tilt in TILT mode d DVB C signal reception quality parameters MER BER To activate the required mode in the Configuration menu Figure 4 3 1 press the A or V arrow to move the corre sponding icon to the bottom line of the screen and press the F1 F2 or F3 key Press the
9. 28 4 5 2 Temperature 29 4 5 3 Battery Level Status 29 4 5 4 Firmware Status 29 4 5 5 Calibration Table Status 29 4 5 6 Channel Plan and Channel Autotest Memory Status 29 4 5 7 Internal Device Status 29 A C Setup unus oe re dde ede ee 30 4 7 Information 31 4 8 Battery Operation 31 Section 5 Maintenance 34 Section 6 Troubleshooting 35 Section 7 5 36 Section 8 Transportation 36 Section 9 Enviromental Conditions 36 i MSG 800 Operating Manual Table of Contents ii Rev 002 MSQ 800 Operating Manual Section 1 General Information Section 1 General Information 1 1 Introduction Rev 002 The purpose of this Operating Manual is to introduce the design func tion and basic instructions related to operation and servicing of the MSQ 800 MSQ 800 is designed for testing and adjustment of television and broadcasting distribution networks as well as of separate components of such networks or other electronic devices The MSQ 800 allows measurement of analog and digital channel levels as well as digital QAM modulation parameters MER and BER for D
10. described in Section 4 4 3 3 Channel Autotest Operation such as scanning checking against a limit plan and saving the file into memory Rev 002 27 MSG 800 Operating Manual Section 4 Operation Procedure 4 5 Device Status Mode 4 5 1General icon refers to this mode The self test mode allows you to Information check the performance of the components of MSQ 800 and its func tional condition TemreratunreztT351 6 Ok Bat unltasged 560 Low Bat charge Program memi Ok Calib table Error h Flan mem free HuteTst mem Deu es Figure 4 5 1 The table in Figure 4 5 1 represents the following parameters to be checked 1 Temperature Temperature inside the MSG 800 O o O N 28 Bat voltage Voltage of the battery Bat charge Battery level status Program mem Firmware status Calib table Calibration table status Ch plan mem Channel plan memory status AutoTst mem Channel Autotest memory status Devices Internal device status Rev 002 4 5 2 Temperature 4 5 3 Battery Level Status 4 5 4 Firmware Status 4 5 5 Calibration Table Status 4 5 6 Channel Plan and Channel Autotest Memory Status 4 5 7 Internal Device Rev 002 Status MSG 800 Operating Manual Section 4 Operation Procedure This function checks the temperature inside the MSG 800 Tempera ture is the main environmental factor that influences the accuracy of measurements Use the temperature parameter t
11. position you will see ch template When the LEVEL function is activated the MSQ 800 measures the parameters of the TV channel which was last selected in one of the measurement modes The channel property DIGITAL ANALOG corresponds to the selected channel plan If the channel plan has not been selected the modulation type is determined auto matically Three parameters are measured for analog channels Video carrier level is measured in the frequency point defined according to the channel allocation standard for operation without channel plan If the channel plan has been selected the frequency point is taken from this channel plan To determine V A ratio the MSQ 800 measures the audio carrier which is defined according to the channel allocation standard The V A value is displayed on the screen in position 5 Figure 4 3 3 To measure C N ratio the MSQ 800 performs measurement in the frequency point with the lowest content of the useful components of Radio Frequency RF signal within the channel bandwidth If a channel plan has been selected the measurement frequency is defined by the channel plan If a channel plan has not been selected it will be defined according to the channel allocation standard C N ratio appears in position 9 Figure 4 3 3 The C N ratio is calculated by the following formula 11 MSG 800 Operating Manual Section 4 Operation Procedure 12 C N Uch Unoise 10Lg Bch Bm C N carrier to noise r
12. selected in Setup mode Section 4 6 Setup Section 7 Storage Store the MSQ 800 at temperatures between 20 to 40 C 4 to 104 F with a maximum non condensing relative humidity of no more than 90 at 30 C 86 F Section 8 Transportation Ship the MSQ 800 in any closed vehicle at temperatures from 20 to 40 C 4 to 104 F maximum non condensing relative humidity 90 and atmospheric pressure of 84 to 106 7 kPa 630 to 800 mm Hg Cargo holds railway cars containers and truck beds used for ship ment of the MSQ 800 should be free from any traces of cement coal and corrosive chemicals When shipped by air the MSQ 800 should be kept in aircraft sealed compartments Section 9 Enviromental Conditions Normal operating conditions a b ambient temperature 18 to 28 C 64 to 18 F relative air humidity 55 25 atmospheric pressure 84 106 kPa 630 795 mm Hg voltage transients correspond to installation category CAT 11 Rated operating conditions a b 36 ambient temperature from 10 to 50 C 14 to 122 F relative air humidity no greater than 90 at 25 C 77 F temperature atmospheric pressure 84 106 kPa 630 795 mm Hg Rev 002 Test and Measurement Regional Sales North America Latin America Toll Free 1 800 638 2049 Tel 55 11 5503 3800 Tel 41 240 404 2999 55 11 5505 1598 1 240 404 2195 Asia Pacific Tel 4852 2892 0990 Fax 852 2892 0770 EMEA
13. template channels will be displayed 4 4 3 1 General Information The Channel Autotest allows you to measure parameters of TV chan nels within a channel plan to check cable network parameters against the limit plan and save the check results into memory This function allows you to view the measurement results and errors in different parameters and download the data onto your PC for further processing and report preparation 4 4 3 2 Channel Autotest File Manager The icon in the Main menu refers to this mode This mode allows you to view delete and create new Autotest files See Figure 4 4 4 and Figure 4 4 5 5 XY XXepnpiuxirxiy eb Labbe nt Figure 4 4 4 Rev 002 MSG 800 Operating Manual Section 4 Operation Procedure T xxrrrenmpLtaxzrrrzx Figure 4 4 5 The table of Autotest files appear on the screen Figure 4 4 4 The top row of the table position 1 divides the table into columns The first column represents the file numbers from 1 to 130 The second column is the file name The third column is the result of the check against the limit plan Figure 4 4 5 represents the list of the channel plan names corresponding to Autotest files The bottom line position 3 contains the list of commands that can be activated by the function keys Press the lt q and p gt arrows to switch between the views of the screen Press the A and V arrows to select the requi
14. Q PC program If the channel plan is not available it is indi cated by empty message The bottom line shows the commands that can be activated by the function keys If a channel plan has been selected in Section 4 6 Setup its name is highlighted in an inverse color position 2 Rev 002 Rev 002 MSG 800 Operating Manual Section 4 Operation Procedure The following is a list of available commands 1 Select Activate by pressing the F1 key Allows you to view and edit the selected channel plan 2 Erase Activate by pressing the F2 key Allows you to delete the selected channel plan 3 New Activate by pressing the key Allows you to create a new channel plan in automatic mode 4 4 2 1 Channel Plan Editing To view and edit a channel plan select the reguired channel plan and press the F1 key See Figure 4 4 2 126 da 126 Ch ley 127 Ch 1229 da 123 Ch Figure 4 4 2 The table represents a list of channels that make up the channel plan The top line divides the table into columns The first column is the frequency point number from 1 to 112 The second column is the number of the TV channel covering the frequency point The third column displays the channel modulation type as either analog or digital The fourth column is the channel name of up to 6 characters The bottom line shows the commands that can be activated by the function keys These commands are as follows 1 Select Acti
15. SCAN Measurement Mode The F3 key activates LEVEL measure ment mode Section 4 3 2 LEVEL Measurement Mode Rev 002 17 MSG 800 Operating Manual Section 4 Operation Procedure 18 4 4 Autotest 4 4 1 General Information 4 4 2 Channel Plan Editor The Autotest function provides automation of measurement and result recording procedures The MSO 800 offers two Autotest tools Channel Plan Editor and Channel Autotest The memory capacity allows you to save up to 16 channel plans up to 112 freguency points per plan and up to 130 Channel Autotest files with maximum number of channels The MSQ 800 allows you to view the saved data in stand alone mode or by using a PC The icon in the Configuration menu refers to this mode The mode allows you to view edit delete and create channel plans See Figure 4 4 1 xepmplLuarxrxzXxxx Ff TXiecronmpLarmree Figure 4 4 1 The list of channel plans and commands in the command line appears on the screen The first column is the channel plan index number and the channel plan name is shown in the next column Using the V arrows you can select a channel plan from index number 1 to 16 The selected channel plan is framed position 1 The scroll bar is along the right hand side of the screen position 3 The second column is a plan name of up to 15 characters in length This name is assigned by the user during creation and can be edited later by the MS
16. The protection circuit cuts off the charging process when the temperature in the battery compartment is higher than 50 C 122 F It is important to not charge the batteries when the ambient temperature is greater than 35 40 C 95 104 F The temperature value will blink on the screen when the temperature is higher than 40 C 104 F We do not recommend charging the batteries under high temperature conditions After the batteries are fully charged the MSQ 800 cuts off the battery charge current The charging progress is indicated in the right hand part of the screen as a filling battery If no external power supply is used the indicator shows the battery level status Figure 4 8 1 Top 1 fully charged Middle 2 partly charged Bottom 3 fully discharged Rev 002 33 MSO 800 Operating Manual Section 5 Maintenance Section 5 Maintenance Follow the instructions in this Operating Manual for the proper opera tion storage and shipment of the MSQ 800 Perform preventive inspections covering check of controls reliability of assembly and the keypad condition after the warranty period has expired and annually after that 34 Rev 002 MSQ 800 Operating Manual Section 6 Troubleshooting Section 6 Troubleshooting Rev 002 Defect detection The MSQ 800 fails to switch on in stand alone mode 1 Possible reason Extremely low charge malfunction improper installation of one or more of the batteries Meth
17. VB C channels The MSQ 800 can be used both in a lab setting powered by an external power source and in the field powered by batteries or a vehicle s cigarette lighter outlet Performing regular maintenance procedures ensures the continued reliability of the MSQ 800 Refer to Section 5 Maintenance for the maintenance procedures and the intervals in which they should be performed The following abbreviations are used in this manual PC Personal Computer LCD Liquid Crystal Display DVB C Digital Video Broadcasting Cable BER Bit Error Ratio MER Modulation Error Ratio QAM Quadrature Amplitude Modulation MSG 800 Operating Manual Section 1 General Information 1 2 Safety Precautions N N Before operating the MSQ 800 make sure you thoroughly inspect the product and carefully read the related documentation to get acquainted with all safety markings and instructions WARNING Only trained service personnel aware of the hazards involved should perform repairs on the MSQ 800 CAUTION Tuning the MSQ 800 and replacing components influencing the accuracy of measurements without authorized service personnel is strictly prohibited The components used in the MSQ 800 are purpose made and their replacement results in inaccurate operation of the MSQ 800 To prevent the possibility of mechanical damage to the MSQ 800 follow the instructions for storage and transportation see Section 7 Storage and Section 8 Tr
18. ameter by pressing the A and V arrows and the amp key This returns you to the file table The frequency points which failed the check against the selected parameter are highlighted with the channel names in an inverse color To check the file against some other parameter open the limit plan manager again and make a new selection Press the amp key to exit this mode In the confirmation request dialog box press the F1 key to save the results or the F2 key to guit without saving 4 4 3 4 Channel Autotest File Erasing To erase a Channel Autotest file select the reguired file and press the F2 key The confirmation reguest dialog box appears To cancel erasing press the F2 key To confirm erasing of the selected file press the F1 key To confirm erasing of all files press the F3 key 4 4 3 5 Channel Autotest File Creating To create a new Channel Autotest file select the reguired file and press the F3 key The channel plan selection screen opens Press the A and V arrows to select the channel plan to be scanned Press ca The limit plan selection screen appears Press the and W arrows to selectthe limit plan to be used for the check Press La p Memory in the MSQ 800 can store up to 10 limit plans prepared on a PC and uploaded The screen displays the Autotest table with initial values Figure 4 4 6 You can then perform all of the operations
19. ansportation Rev 002 MSG 800 Operating Manual Section 2 General Description and Principles of Operation Section 2 General Description and Principles of Operation 2 1 Function Rev 002 The MSQ 800 measures the video carrier level V A ratio and C N ratio of analog channels and the channel power for digital channels For DVB C signals MSQ 800 performs measurements of reception quality parameters modulation error ratio MER bit error ratio BER before and after Reed Solomon decoder Pre amp Post and constella tion diagram via computer application MSQ PC MSQ 800 features AutoPlan the automatic defining of digital channel settings channel frequency symbol rate and modulation type The MSQ 800 also allows the measurement of the direct DC and alternating voltage AC of the remote power supply of TV and broadcasting distribution networks Connect the MSQ 800 to a PC running the MSQ PC soft ware application to access additional modes Refer to Figure 1 1 and Figure 1 2 for pictures of the MSQ 800 Figure 1 1 MSG 800 Operating Manual Section 2 General Description and Principles of Operation Figure 1 2 2 2 Package The MSQ 800 package includes Contents MSQ 800 MicroStealth QAM Rubber Boot NiMH AA Batteries FASE Adapter ee eu ue eda 12V 1 25A Reference Quick Start Guide
20. any changes and exiting from the mode Keep in mind that when you save changes to or delete a channel plan all Autotest files with the corresponding channel plan are deleted To delete the selected frequency point press the F3 key 4 4 2 2 Channel Plan Erasing To erase a channel plan select the required channel plan and press the F2 key The confirmation request dialog appears To stop erasing press the F3 key To confirm erasing of the plan press the F1 key 4 4 2 3 Channel Plan Creating using Autoplan To create a new channel plan automatically in AutoPlan mode connect the RF signal to the input of the MSQ 800 select the desired position of the plan in the table and press the F3 key The MSQ 800 will automatically begin scanning the channels based on the selected channel template set in the initial setup of the device When a channel 21 MSG 800 Operating Manual Section 4 Operation Procedure 4 4 3 Channel Autotest 22 is found the MSQ 800 will determine if it is an analog or digital signal If the signal is a digital QAM it will also determine the channel s band width modulation type QAM64 or QAM256 and symbol rate Msps After the MSG 800 has completed scanning all of the TV channels it will switch to channel plan edit mode Section 4 4 2 1 Channel Plan Editing Edit the channel plan parameters if needed and save the plan to memory If no channel plan has been detected the list of all
21. atio value Uch actual channel power Unoise noise level Bch digital channel bandwidth Bm measured channel bandwidth K correction coefficient For digital channels the MSO 800 uses the integration method to measure signal power within the channel bandwidth The MSQ 800 calculates the average value by measuring the power within all of the channel bandwidths in 125 kHz increments It then recalculates power values into an actual power value using the following formula Uch 10Lg 02 U Uy 2 N Bch 0 125 Uch actual channel power Ui UN measured level in Volts N number of frequency points within the channel bandwidth Bch digital channel bandwidth K correction coefficient The digital channel bandwidth value is determined by selected channel template Digital channel parameters central frequency bandwidth are taken from the channel plan or determined automatically if no channel plan has been selected To increase the accuracy of the measurement operating with a channel plan set the channel parameters Section 4 4 2 Channel Plan Editor to their optimal values The range of voltage measurement at the MSQ 800 input is from 10 to 100 V The absolute error of the measurement is lower than 1 5 V The measured value of the voltage is indicated in position 8 Figure 4 3 3 If the voltage is direct DC V appears on the screen if it is alternating AC then V appears To measure channel parameter
22. ce SECAM L To confirm your choice press the F3 key Ok After the selection is made the MSQ 800 returns to normal operation using the selected channel template Once the channel template has been selected this screen will not appear again If you need to change the channel template later use the Setup mode described in Section 4 6 Setup To open the help message press the F2 key Help To close it press the th key To exit from the channel template selection mode press the F1 key Skip The MSG 800 switches to normal operation but the next time the MSQ 800 is turned on the channel template selection screen will appear again MSG 800 Operating Manual Section 4 Operation Procedure 4 3 Measurement Procedure 4 3 1 General The MSG 800 features an on screen menu to select modes of opera Information tion The icons of the menu correspond to various functions The Main menu appears on the screen after the MSQ 800 is powered up Figure 4 3 1 The Main menu shown in Figure 4 3 1 contains six icons corre sponding to the following functions 1 SCAN 2 TILT p 3 7 4 LEVEL 5 MER BER measurement 6
23. decoder synchronization is achieved a lock message appears in the line Press the A and V arrows to select the required frequency point The selection will be framed position 2 The following is a list of available commands 1 Run Activate by pressing the F1 key Allows you to repeat the measurement of the selected Autotest file 2 View Activate by pressing the F2 key Allows you to view the measurement results in SCAN measurement mode Section 4 3 3 SCAN Measurement Mode 3 Limit Activate by pressing the key Allows you to view the limit plan parameters To scan a file press the F1 key The scanning process is indicated by a progress bar After scanning is complete the new values appear in the measurement result field of the screen If the channel name is highlighted in an inverse color errors have been detected in this channel during the check against the limit plan Rev 002 MSG 800 Operating Manual Section 4 Operation Procedure Figure 4 4 7 To identify the errors activate the limit plan manager by pressing the F3 key The table of limit plan parameters appear on the screen Figure 4 4 8 EU EY ey Mig max 15dBmu Leu Dia min Ley Dia max 50 Uideo Budioc mint 1946 max 1 clB 4306 dL adjacent maw 246 Figure 4 4 8 Rev 002 25 MSG 800 Operating Manual Section 4 Operation Procedure This table represents the parameters used t
24. displayed in position 6 Rev 002 MSG 800 Operating Manual Section 4 Operation Procedure In SCAN mode the MSG 800 applies an estimating method to deter mine the digital channel level The estimating method measures the signal level in the central point of the channel and then recalculates it into a channel level value using the the following formula Uch Um 10Lg Bch Bm Uch actual channel power Um measured level in the central point Bch digital channel bandwidth Bm measured channel bandwidth K correction coefficient This method helps accelerate the measurement process but gives additional error when the digital channel has high ripple The graph reference level shown in Figure 4 3 6 is automatically set to the channel with the maximum level Use the function keys to access other measurement modes If the selected channel is digital the F1 key opens MER BER measure ment mode Section 4 3 5 MER BER Measurement Mode The F2 key opens the LEVEL measurement mode Section 4 3 2 LEVEL Measurement Mode in either analog or digital mode 4 34 TILT The icon in the Main menu refers to the TILT measurement Measurement Mode mode This mode displays signal levels as vertical bars and the tilt line between the peaks of the two selected channels See Figure 4 3 7 Figure 4 3 7 The following data is displayed on the screen 1 channel tilt value between A and markers Rev 002 15 MSG 800 Op
25. e When installing the batteries into the battery compartment make sure the polarity of batteries in the battery compartment is correct Close the battery compartment WARNING N Incorrect installation of the batteries may lead to damage to the MSQ 800 or the batteries Do not use alkaline batteries or batteries of any other type than specified To charge the batteries without removing them from the MSQ 800 connect the MSQ 800 to an external 12 V DC power source such as the supplied charger or to your vehicle s 12 V cigarette lighter socket The MSQ 800 will switch on in operating mode The MSQ 800 determines the optimal mode of battery charging based on battery charge status The charging of fully discharged batteries takes approximately 12 hours The icon in the auxiliary menu refers to the charging manager function Ext Power Charge time o4 52 Temperature O 29 Figure 4 8 1 The screen shown in Figure 4 8 1 displays the following three param eters 1 Ext power Availability of external power source If powered from an external power source the value is on If powered by the batteries the value is off 2 Charge time Charging time in percent 12 hours correspond to 100 32 Rev 002 MSG 800 Operating Manual Section 4 Operation Procedure 3 Temperature Temperature inside the MSQ 800 Battery charging automatically turns on when an external power source is connected to the MSQ 800
26. erating Manual Section 4 Operation Procedure 16 4 3 5 MER BER Measurement Mode 2 A marker 3 marker setting command line with current status indication 4 B marker Use the lt q and p gt arrows to adjust the marker position and the F1 and F3 keys to select the marker The selection is indicated by an asterisk in the command line If no channel plan is selected all channels of the channel allocation standard are displayed on the screen Channel modulation type is determined automatically when you open the mode and what is shown by the progress indicator channels scanning If one of the channel plans has been selected the scanning is only performed over the selected channels Navigation by using the lt q and p gt arrows is only fulfilled within the selected channel plan The graph reference level shown in Figure 4 3 7 is automatically set to the channel with the maximum level The marker positions are saved into memory and restored once you open TILT measurement mode again MER The icon in the Main menu refers to MER BER measurement mode This mode displays the table of the parameters featuring the input DVB C signal quality See Figure 4 3 8 Figure 4 3 8 The following data is displayed on the screen 1 channel number 2 selected channel plan name 3 selected freguency freguency shift in MHz Rev 002 MSG 800 Operating Manual Section 4 Operation Procedure
27. he icon refers to this mode The Information function allows 4 8 Battery Rev 002 Operation you to determine the MSQ 800 model serial number modification and firmware version See Figure 4 7 1 150 900 9 82 2 09 02 Pl er 2 2 and Tech Information 1 866 225 3762 Wii Jdsu COF PYS Figure 4 7 1 The data for your MSQ 800 is displayed in the upper part of the screen 1 Model MSQ 800 model 2 HW ver Hardware version 3 SW ver Firmware version 4 SIN MSQ 800 serial number The service center telephone number and the link to the webpage describing the MSQ product is located in the lower part of the screen The MSQ 800 is powered by four NiMH batteries One battery measures 14 5 x 49 5 mm and has a battery capacity rating of no less than 1600 mAh and no greater than 1900 mAh To determine the battery level status use the self test function of the MSQ 800 Section 4 5 3 Battery Level Status When the effective charge level of the battery drops to the critical point you will hear a warning beep This signifies that the time of operation until total battery discharge is a few minutes To charge the batteries in an external battery charger turn the MSQ 800 off Open the cover of the battery compartment using a screwdriver Carefully remove the batteries Charge the batteries in a charger appropriate to the battery type you are using 31 MSG 800 Operating Manual Section 4 Operation Procedur
28. ial values of the parameters are set during automatic detection of a channel plan and can be edited using the frequency point editing function 20 Rev 002 Rev 002 MSG 800 Operating Manual Section 4 Operation Procedure When a new channel plan is created Section 4 4 2 3 Channel Plan Creating using Autoplan the channel parameteres are automati cally set to the following values 1 For analog channels the freguency is set to video carrier value The noise measurement freguency defaults to 1125 kHz lower than the video carrier 1125 kHz 2 For digital channels the frequency is set to the central frequency of the digital channel The channel bandwidth defaults to the value according to the active channel template Use the A V arrows to fine tune a parameter and use the lt q p gt arrows to scroll to the required values To save the frequency point press the F2 key Save To quit the function without saving changes press the F1 key Cancel Always check all of the parameters after the channel plan has been set It is more convenient to determine the parameters in the spectrum measurement mode using a PC In case of incorrect or non optimal settings fine tune the parameter manually Otherwise it can lead to errors in channel parameters measurements or in Autotest To exit from the channel plan editing mode and save the changes press the F2 key Save Pressing the 48 p key confirms saving
29. o check the accuracy of measurements of the signal level If the temperature value is within the allowed range of 10 to 50 C 14 to 122 F Ok status is displayed at the end of the parameter line If the temperature is not within this allowed range Ok status is not displayed If temperature value is displayed this indicates the temperature measuring device is faulty In this case contact the service center The battery voltage and battery level status parameters allow you to check the battery condition Perform this check when operating in stand alone mode power supply switched off Ifthe measured battery voltage is higher than 4 4 V Ok status is indicated if the voltage is lower than 4 4 V Low status is indicated The voltage is then recalcu lated into the battery level status value in percent which helps esti mate the remaining operating time for the MSQ 800 It should be noted that when ambient temperature decreases the battery capacity also decreases Take this into account when estimating the operating time of the MSQ 800 This function checks the firmware status of your MSQ 800 The Ok status is displayed if no errors are detected The Error status is displayed if an error is detected If an error is detected reinstall the firmware This function checks the calibration table status The Ok status is displayed if no errors are detected The Error status is displayed if an error is detected If an error is detected con
30. o verify the measurement results You can only edit the parameters using a PC The table contains 12 parameters 1 Lev Vid min Minimum value of video carrier level for analog channel Default value 0 dBmV Lev Vid max Maximum value of video carrier level for analog channel Default value is 15 dBmV Lev Dig min Minimum value of digital channel level Default value is 10 dBmV Lev Dig max Maximum value of digital channel level Default value is 15 dBmV Video Audio min Minimum value of V A ratio Default value is 10 dB Video Audio max Maximum value of V A ratio Default value is 17 dB Video Noise min Minimum value of C N ratio Default value is 43 dB dL adjacent max Maximum value of ratio between the adjacent channel levels Default value is 3 dB Video Dig max Maximum value of ratio between analog and digital channel levels Default value is 25 dB 10 MER GAM64 min Minimum value of MER for QAM64 modula tion Default value is 28 dB 11 MER GAM256 min Minimum value of MER for QAM256 modula tion Default value is 32 dB 12 preBER max Maximum value of preBER Default value is 1E 6 26 Values available are 1E 4 1E 5 1E 6 1E 7 1E 8 off If the off value is chosen preBER parameter will not be measured when the Autotest file is updated Rev 002 MSG 800 Operating Manual Section 4 Operation Procedure To check an Autotest file against an individual parameter select the individual par
31. ods of correction To check the MSQ 800 condition connect the charger If the MSQ 800 switches on check the battery voltage in self test mode Section 4 5 3 Battery Level Status Low voltage less than 4 4 V is evidence that one or more batteries are discharged or malfunctioning Voltage that is higher than normal greater than 7 V indicates that one or more of the batteries are malfunctioning The batteries should be charged Section 4 8 Battery Operation or replaced if bad 2 Possible reason Firmware failure Methods of correction Re install the firmware Defect detection The MSQ 800 fails to switch on in stand alone mode but the LCD backlight is on 1 Possible reason The program has frozen Methods of correction Push and hold the op key for 5 seconds The MSQ 800 will switch off Release the key and switch the MSQ 800 on again Defect detection High error at level measurements in some or all of the channels 1 Possible reason Wear of the RF input adapter Method of correction Replace the RF input adapter with a known good adapter 2 Possible reason Incorrect channel plan setting making the MSQ 800 tune to an offset video carrier point Method of correction Adjust the channel plan Section 4 4 2 1 Channel Plan Editing 35 MSQ 800 Operating Manual Section 7 Storage 3 Possible reason Incorrect selection of the channel template Method of correction Check that the correct channel template was
32. red file The selec tion will be framed position 2 The following is a list of available commands 1 Select Activate by pressing the F1 key Allows you to view update and check against the limit plans the selected file 2 Erase Activate by pressing the F2 key Allows you to delete the selected file or clear all the files 3 New Activate by pressing the key Allows you to create new Autotest files Rev 002 23 MSG 800 Operating Manual Section 4 Operation Procedure 24 4 4 3 3 Channel Autotest Operation To view a Channel Autotest file press the F1 key Scanning data table will appear on the screen Figure 4 4 6 or Figure 4 4 7 Two views of the table are available for basic and digital parameters You can switch between these views by using the lt q and p gt arrows The top line of the table position 1 divides the table into the following columns Column 1 channel number Column 2 channel name Column 3 video carrier level or digital channel level in dBuV dBmV or dBm depending on the preset units Column 4 V A ratio in dB Column 5 C N ratio in dB The bottom line position 4 contains the commands that can be acti vated by the function keys The digital parameters screen Figure 4 4 7 displays MER in dB or EVM in and preBER values in the second and third columns accordingly Analog channels are described as analog If during digital channel measurement no GAM
33. s use the 4 p gt arrows to select the required channel Rev 002 Rev 002 MSG 800 Operating Manual Section 4 Operation Procedure If no channel plan is selected use the lt q and p gt arrows to switch to any channel according to the appropriate TV standard Section 4 6 Setup Once a signal is detected the MSG 800 automatically deter mines the channel type noise measurement freguency and digital channel bandwidth If one of the channel plans has been selected Section 4 6 Setup tuning is performed between the channels of the plan In this case the channel name from the channel plan is shown in position 7 You can access other measurement modes using the function keys The F1 key activates the mode of signal level measurement in a freguency point The F2 key opens SCAN mode Section 4 3 3 SCAN Measurement Mode The F3 key opens MER BER measurement mode Figure 4 3 5 if the selected channel is digital Figure 4 3 5 shows the screen in the signal level measurement in a freguency point Pincers 2 391 129m Figure 4 3 5 In this mode V A ratio C N ratio as well as the DIGITAL message are not displayed In the signal level measurement in a frequency point mode the level is measured at the selected frequency This mode is indicated by a Freq message in the command line Tuning to the frequency is performed in 125 kHz increments using the lt q and
34. tact the the local technical assistance center TAC This function shows the free memory in percent for each memory type This program checks the condition of the MSQ 800 components The Ok status is displayed if no errors are detected The Error status is displayed if an error is detected If an error is detected contact the service center 29 MSG 800 Operating Manual Section 4 Operation Procedure 4 6 Setup The icon in the Configuration menu refers to this mode The setup mode allows you to modify the general parameters of the MSQ 800 30 normal Figure 4 6 1 The table in Figure 4 6 1 represents the following settings 1 Ch plan Select channel plan from the available channel plans Section 4 4 2 Channel Plan Editor ch template is displayed if a channel plan is not selected Ch template Select channel template Available settings are China PAL B G SECAM D K PAL UK PAL Ireland and France SECAM L Unit Select measurement units for the signal level dBuV dBmV dBm MER EVM Select MER dB or EVM 96 Contrast Set LCD contrast from 0 to 100 Display Select display mode Available settings are normal white characters in the blue background and reverse blue char acters in white background Sound Select key pressing sound Available settings are off silent and type1 type2 types three types of sound Rev 002 MSG 800 Operating Manual Section 4 Operation Procedure 4 7 Information T
35. vate by pressing the F1 key Allows you to view and edit the selected frequency point 2 Save Activate by pressing the F2 key Allows you to save the channel plan and exit the table 3 Erase Activate by pressing the F3 key Allows you to delete the selected frequency point 19 MSG 800 Operating Manual Section 4 Operation Procedure To edit a freguency point select the reguired channel by using the and V arrows the selected line will be framed position 1 Then press the F1 key The table of freguency point parameters shown in Figure 4 4 3 appears 45 diaital S460HH kHz rz5 kHz Modulatic WANES Sumbh pate 7 UWnaues Figure 4 4 3 The seven parameters available for editing are as follows 1 Channel channel number 2 Type channel type analog digital 3 Frequency frequency of the video carrier for analog channel or central frequency for digital channel 4 Fnoise frequency shift for C N ratio measurement for analog channels Can be adjusted from 8000 to 8000 kHz in 125 kHz increments 5 Band width channel bandwidth for digital channels Can be adjusted from 5000 to 8000 kHz but not wider than defined by the channel template in 125 kHz increments 6 Modulation modulation type of digital channel Available values are OAM64 or QAM256 The symbol indicates unknown modulation type 7 Symb rate symbol rate of digital channel Can be adjusted from 5 to 7 Msps The init
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