Operating Manual for COMMUNICATIONS SERVICE MONITOR

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About this manual This manual explains how to use the Communications Service Monitor 2945A. It applies to instruments fitted with main software version 4.xx and cellular software version 4.xx. Intended audience Structure People who need to test mobile radio systems and associated equipment. Chapter 1 General information and performance specification. Chapter 2 Gives installation instructions, including connection of peripheral equipment. Chapter 3 Operating instructions. Setting up and use. Chapter 4 Brief technical description. Chapter 5 Acceptance testing procedure for the Service Monitor. Appendix A Use of the Directional Power Heads, 54421/002 and 54421/003. Appendix B Use of the Light-weight Directional Power Heads 54421/016 and 54421/018. Document conventions The following conventions apply throughout this manual:- [Tx TEST] Hard key titles are shown verbatim, using normal lettering in square brackets. [Tx freq] Soft key titles are shown verbatim using italic lettering in square brackets. RF IN/OUT Titles on the instrument panels are shown verbatim using capital letters. Text displayed on screen. See below † † References to text displayed on the screen of the Service Monitor are given verbatim, using a font that resembles the displayed text. e.g. GEN FREQ: , Ref Level: , 0 G+ : Associated publications Other manuals that cover specific aspects of this service monitor are:- • Programming Manual (46882-318B) provides programming information for remote control of the Service Monitor using MI-BASIC and GPIB. • Maintenance Manual (46882-310W) provides servicing information for the Communications Service Monitor 2945A and Avionics Communication Service Monitor 2946A. contd./... ii 46882-311D
About this manual (continued) Associated publications (continued) Operating manual supplements provide operating details for specific system test software. • EDACS Repeater (46882-300N) • AMPS Supplement (46882-313P) • PMR Supplement (46882-315M) • MPT1327 Supplement (46882-317R) • EDACS Radio Supplement (46882-301L) • TACS Supplement (46882-314X) • NMT Supplement (46882-316C) 46882-311D iii
Page 1: Contains Operating Manual for COMMU
Page 6 and 7: Contents Precautions ..............
Page 8 and 9: PRECAUTIONS Fuses WARNING WARNING W
Page 10 and 11: Contents List of figures Chapter 1
Page 12 and 13: Receiver testing OPERATING MANUAL 2
Page 14 and 15: Systems testing Cellular and trunke
Page 16 and 17: Receiver measurements RF signal gen
Page 18 and 19: Audio Frequency Meter Frequency Ran
Page 20 and 21: OPERATING MANUAL 2945A Modulation M
Page 22 and 23: General features OPERATING MANUAL 2
Page 24 and 25: OPERATING MANUAL 2945A Printers sup
Page 26 and 27: OPERATING MANUAL 2945A 46882-311D 1
Page 28 and 29: INSTALLATION Introduction This chap
Page 30 and 31: INSTALLATION British Country IEC 32
Page 32 and 33: INSTALLATION RF and AF connections
Page 34 and 35: INSTALLATION GPIB The pin connectio
Page 36 and 37: INSTALLATION Test No 6 Transmitter
Page 38 and 39: INSTALLATION Check that the equipme
Page 40 and 41: Chapter 3 LOCAL OPERATION Contents
Page 42 and 43: OPERATING MANUAL 2945A Fig. 3-11 Sp
Page 44 and 45: OPERATING MANUAL 2945A The informat
Page 46 and 47: OPERATING MANUAL 2945A undefined si
Page 48 and 49: OPERATING MANUAL 2945A (31) Serial
Page 50 and 51: Setup page 1 This page allows the f
Page 52 and 53: OPERATING MANUAL 2945A Power Up Fro
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Brief descriptions Using the test m
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Tx test (transmitter testing) Overv
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WARNING Hot surfaces OPERATING MANU
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OPERATING MANUAL 2945A Directional
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Audio distortion measurement OPERAT
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OPERATING MANUAL 2945A shape settin
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OPERATING MANUAL 2945A The harmonic
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OPERATING MANUAL 2945A trigger poin
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External attenuators OPERATING MANU
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*DUPLEX* OPERATING MANUAL 2945A All
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OPERATING MANUAL 2945A The input si
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Connections MOD GEN 1 MOD GEN 2 TON
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WARNING Output level setting Hot su
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OPERATING MANUAL 2945A External Mod
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OPERATING MANUAL 2945A See Fig. 3-8
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OPERATING MANUAL 2945A 20 dB signal
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Selectivity 2041 Signal Generator S
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OPERATING MANUAL 2945A difference i
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Systems TONES GEN MOD GEN 1 MOD GEN
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Setting up OPERATING MANUAL 2945A T
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OPERATING MANUAL 2945A (6-2) to be
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Look and Listen ! ! I/O SWITCH- ING
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OPERATING MANUAL 2945A When operati
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Input filtering OPERATING MANUAL 29
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Parameter Test mode Tx frequency Tx
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Observing tones signals in other te
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Fig. 3-19 RF Sequential tones encod
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OPERATING MANUAL 2945A of the orang
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Output level Tone selection OPERATI
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OPERATING MANUAL 2945A Return to th
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OPERATING MANUAL 2945A Press the [T
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OPERATING MANUAL 2945A The POCSAG t
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OPERATING MANUAL 2945A • Set the
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The soft keys have the following fu
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Recalling Results OPERATING MANUAL
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OPERATING MANUAL 2945A If a memory
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OPERATING MANUAL 2945A Key in the e
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Printer Access OPERATING MANUAL 294
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FROM LOGIC CIRCUITS Table 3-2 Rear
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Test mode screen and menu (1.0). HE
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Test mode screen and menu (2.0). Tx
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Test mode screen and menu (3.0). Rx
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Test mode screen and menu (4.0). Dx
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Test mode screen and menu (5.0). SY
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Test mode screen and menu (6.0). SP
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Test mode screen and menu (7.0). AF
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Contents List of figures Chapter 4
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The display OPERATING MANUAL 2945A
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Tx test mode OPERATING MANUAL 2945A
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Receiver circuits Input switching B
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Third frequency changer/mixer OPERA
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RF generator Modulators RF amplifie
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AF test mode Systems mode OPERATING
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TECHNICAL DESCRIPTION Simplified bl
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ACCEPTANCE TESTING Introduction Res
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ACCEPTANCE TESTING RF output tests
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ACCEPTANCE TESTING (3) Check that t
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ACCEPTANCE TESTING Test equipment D
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ACCEPTANCE TESTING (12) Refer to Re
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ACCEPTANCE TESTING Frequency modula
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ACCEPTANCE TESTING Audio generator
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ACCEPTANCE TESTING Audio voltmeter
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ACCEPTANCE TESTING UUT LF generator
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ACCEPTANCE TESTING Test equipment D
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ACCEPTANCE TESTING UUT N TYPE OUTPU
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ACCEPTANCE TESTING Power meter SENS
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ACCEPTANCE TESTING Acceptance Test
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ACCEPTANCE TESTING Level (dBm) Resu
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ACCEPTANCE TESTING Results table 5-
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ACCEPTANCE TESTING AF generator 1 f
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ACCEPTANCE TESTING Frequency DVM re
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ACCEPTANCE TESTING Carrier frequenc
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Contents List of tables List of fig
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Précautions OPERATING MANUAL 2945A
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Precauzioni OPERATING MANUAL 2945A
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Features OPERATING MANUAL 2945A Thi
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OPERATING MANUAL 2945A RF connector
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CW POWER 1000W 100W 10W 1W 100mW 10
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VSWR Return loss (dB) Table A-1 Con
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OPERATING MANUAL 2945A The bar char
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DIRECTIONAL COUPLER CH. 1 CH. 2 TO
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LIGHT-WEIGHT DIRECTIONAL POWER HEAD
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INDEX H Hard copy .................
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Operating Manual for COMMUNICATIONS SERVICE MONITOR

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