5 utility: slope, 6 utility: lamp-test, 7 utility: firmware – 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
5–17
5.3.5.5
UTILITY: SLOPE
Converter slope
adjustment = 0.0
The downconverter slope 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 downconverter slope adjustment is 0.0, with allowable values from 0.0 to 1.0.
5.3.5.6
UTILITY: LAMP-TEST
Start Lamp Test?
No Yes
To start the lamp test, use the
◄ ►
arrow keys to select No or Yes, and then press ENTER. The
test begins with the following message:
Lamp Test in Progress
Please Wait
The front panel will then run through a series of diagnostics: the LED array will cycle, and then the
VFD will generate a series of test patterns. The VFD will return to the previous menu upon
successful completion of the test.
Once the test has run, press CLEAR to return to the main menu. .
5.3.5.7
UTILITY: FIRMWARE
THESE MENUS ARE INTENDED FOR DIAGNOSTIC PURPOSES ONLY. DO NOT
CHANGE AN IMAGE UNLESS OTHERWISE INSTRUCTED BY COMTECH EF
DATA CUSTOMER SUPPORT.
This series of submenus permits you to view information about the DT-4500-A internal
firmware. The downconverter can store two complete firmware images, and you can select
which image will be loaded the next time the unit reboots.
Firmware Images:
INFO SELECT
Use the
◄ ►
arrow keys to select INFO or SELECT, and then press ENTER.