Operating instructions

LOCAL OPERATION
3-3
List of figures
Fig. 3-1 Front panel. ..................................................................................................................... 3-4
Fig. 3-2 Typical displays............................................................................................................... 3-5
Fig. 3-3 Rear panel layout, (with optional GPIB fitted). ..............................................................3-8
Fig. 3-4. AF Filter HELP/SETUP page. ..................................................................................... 3-11
Fig. 3-5 Transmitter test connections..........................................................................................3-19
Fig. 3-6 Tx power, harmonic analysis screen ............................................................................. 3-28
Fig. 3-7 Power Transient Analysis screen .................................................................................. 3-29
Fig. 3-8 Transient Analysis displays...........................................................................................3-32
Fig. 3-9 Occupied Bandwidth display......................................................................................... 3-33
Fig. 3-10 Distortion level and signal to noise level measurements............................................. 3-36
Fig. 3-11 Receiver test connections ............................................................................................3-40
Fig. 3-12 Selectivity test setup.................................................................................................... 3-50
Fig. 3-13 Spurious response ‘Image Frequency’ location .......................................................... 3-51
Fig. 3-14 One port duplex test setup...........................................................................................3-53
Fig. 3-15 Alternative two port duplex setups.............................................................................. 3-54
Fig. 3-16 Spectrum analyzer test setup ....................................................................................... 3-55
Fig. 3-17 Spectrum analyzer test setup using the tracking generator.......................................... 3-55
Fig. 3-18 Spectrum analyzer setup, Look and Listen function ................................................... 3-60
Fig. 3-19 Audio test setup........................................................................................................... 3-63
Fig. 3-20 Tones selection screen and Tones mode receiver input level setting .......................... 3-70
Fig. 3-21 RF Sequential tones encoder display, main menu....................................................... 3-73
Fig. 3-22 RF Sequential tones standard selection menu ............................................................. 3-73
Fig. 3-23 RF Sequential tones decoder screen............................................................................ 3-75
Fig. 3-24 RF CTCSS encoder screen and menu ......................................................................... 3-77
Fig. 3-25 RF DCS ENCODER screen and menu........................................................................ 3-79
Fig. 3-26 RF DTMF DECODER screen and menu .................................................................... 3-81
Fig. 3-27. AF Tone Remote screen.............................................................................................3-84
Fig. 3-28 POCSAG radio pager test screen and menu................................................................ 3-85
Fig. 3-29 Alternative address/warning messages........................................................................ 3-86
Fig. 3-30 Parallel printer port socket contacts .......................................................................... 3-100
Fig. 3-31 Simplified diagram of rear accessory port switching ................................................ 3-101
Fig. 3-32 Rear accessory port socket connections .................................................................... 3-102
About this chapter
This chapter deals with using the Communications Service Monitor as a ‘stand alone’ instrument
and covers:
The front panel layout with a brief description of all controls and connections.
The connectors and occasional controls on the rear panel.
An introduction to each of the test modes, explaining the principles behind tests that can be
carried out.
The power up and setup procedure.
The operating sequences for each of the test modes and the relevant menus.
The internal setup and results memories and their use.
The optional memory card facility.
Producing hard copy of results on an external printer.
Before using the Service Monitor, familiarize yourself with the power requirements and powering
up procedure described in Chapter 2, Installation.