Utility: Ref; Utility: Id; Utility: Display - Comtech EF Data CDM-Qx Installation And Operation Manual

CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier®
Front Panel Operation
5.9.3

UTILITY: Ref

Internal Freq Ref: Adjust
Warm-up delay
For fine adjustment of the Internal 10 MHz reference oscillator, use the
the value, then press
IMPORTANT
5.9.4

UTILITY: ID

Edit Circuit ID: (◄ ►,▲ ▼,ENT)
28 CHARACTER TST MESSAGE
To edit the Circuit Identification string, use the
then use the
Only the bottom line is available (28 characters). The following characters are available:
Once the Circuit ID string has been composed, press
Note: Backup devices in redundant groups do not have an ID. If plug-in devices are to be
grouped, the grouping should precede assigning IDs so the group can be named instead of the
individual devices.
5.9.5

UTILITY: Display

Edit Display Brightness:
100%
To adjust the brightness of the VFD, use the
The available selections are 25%, 50%, 75%, and 100%.
(▲▼,ENT)
The range of accepted values is from –2048 to +2047.
ENTER.
The numbers displayed here do not correspond to an exact frequency
increment. The user should perform this fine adjustment while using an
external frequency counter connected to either:
a)
the internal 10 MHz reference, or
b)
the Tx Output set for CW, and an exact center frequency of – for
example – 1000 MHz.
arrow keys to select the character for that position.
[Space] ( ) * + - , . / 0-9
arrows keys to select the position to edit,
A-Z
to save.
ENTER
(▲▼,ENT)
arrow keys to select a value, then press
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Revision 7
MN/CDMQX.IOM
arrow keys to edit
ENTER.