Operating Manual for COMMUNICATIONS SERVICE MONITOR

LOCAL OPERATION
To move to the top level menu of any test mode, including the currently active mode, press the
relevant ‘MODE’ key.
For detailed use of specific TEST MODES see the section later in this chapter relating to that test
mode.
HELP/SETUP
Pressing the [HELP/SETUP] key, at any time, will display the screen shown in fold out diagram
(1-0), or a variation of it. Displaying the HE LP/SETUP screen does not interrupt any ongoing
operation or test.
The centre panel of the screen lists the following information:-
Serial number of the Service Monitor.
Software fitted, with the version codes and IFR part numbers.
Options fitted to the Service Monitor (except Option 3).
Help
The help facility is accessed by using the [HELP] key. Each soft key in the help menu displays
‘On Screen Help’ relating to the blue system key to the left of it. The [Return] key removes the on
screen help and displays the top level screen of the mode from where HELP/SETUP was selected.
Self Test
Pressing this key gives access to the SELF TEST function of the Service Monitor. Refer to Self
tests and acceptance tests in Chapter 2, for details.
Diagnostic
The DIAGNOSTIC screen can only be accessed by entering a protection code. When accessed, it
allows a low level of software fault diagnosis to be undertaken. Certain areas of memory can also
be reset from this screen. Details of access are given in the maintenance manual relating to this
instrument.
Calibrate
Access to the CALIBRATION screen is also code-protected. Details relating to access and use are
given in the maintenance manual relating to this instrument.
Brightness
Pressing this key will shift the selected brightness level up by one. If the present level is ‘4’ the
next press will extinguish the screen, the next will set the level to ‘1’. Note that with the screen
blanked, all keys remain in the same state of activity as before the screen was extinguished.
Contrast
Selecting this key allows the contrast of the display to be varied using the variable control. The
contrast may also be adjusted by the entry of a number between 0 & 255 using the data input
keys.
Setup
The setup facilities allow selection of options of user preference and system compatibility. There
are two setup pages.
Page 1, shown in fold out diagram (1-10), allows option selection of RF generator facilities.
Page 2, shown in fold out diagram (1-10-6), allows selection of AF level measurement units,
GPIB address setting, remote control option selection and serial port setup.
The [Setup] key displays setup page 1, and give access to setup page 2.
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