2 utility : disp (vfd display), 3 utility: aid (application identification string) – Comtech EF Data DT-4500-A Series User Manual
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DT-4500-A Series Downconverters
Revision 1
Front Panel Operation
MN-DT4500A
5–16
5.3.5.2
UTILITY : DISP (VFD Display)
VFD Display Brightness:
100%
To edit the display brightness: Use the
▲ ▼ arrow keys to select a brightness value of 25%,
50%, 75%, or 100%. Press ENTER when the brightness is suitable.
5.3.5.3
UTILITY: AID (Application Identification String)
Edit AID Message?
No Yes
The Application Identification (AID) command allows a free form message to be created. It is
intended to identify the satellite, either transponder, beam, destination or other aspects of the
application that may be significant to operations. The AID display alternates with the Equipment
type display by use of the CLEAR key. The default is "AID MESSAGE".
To edit the AID message: First, use the ◄ ► arrow keys to select No or Yes, and then press
ENTER. Then, to edit the Application ID string: For both the top and bottom lines of the display,
first use the
◄ ►
arrow keys to select the character to edit, and then edit that character using
the
▲ ▼ arrow keys.
A maximum of 24 characters are available on each line (48 characters in all), as follows:
[Space] ( ) * + - , . / 0-9 and A-Z.
DT-4500-A SERIES
48 CHAR MAX TST MESSAGE
Once the Application ID string is composed, press ENTER.
5.3.5.4
UTILITY: REFOSC (Reference Oscillator Adjustment)
Reference frequency
adjustment = 087
The reference oscillator adjustment may be manipulated with this submenu. Use the
◄ ►
arrow
keys to select the digit to edit, and then use the
▲ ▼ arrow keys to edit the value of that digit.
Press ENTER when done.
The default Reference Frequency tuning adjustment is 087, with allowable values from 0 to 255.