1 util: clock, 2 util: ledtst (front panel led test), 3 util: relay – Comtech EF Data LBC-4000 User Manual
Page 69
LBC-4000 L-Band Up/Down Converter System
Revision 4
Front Panel Operation
MN/LBC4000.IOM
5–13
5.2.4.1 UTIL: Clock
UTIL Time/Date:
t=11:59:13 d=12/23/11
To edit the time and date settings of the real‐time clock: Use the [←][→] arrow keys to select
the digit for edit, and then use the [↑][↓] arrow keys to change that digit:
• The time
t=
is entered in military format in the form hh:mm:ss (00‐23 hours:00‐59
minutes:00‐59 seconds).
• The date
d=
is entered in mm/dd/yy format (01‐12 month/01‐31 day/00‐99 year).
Press [ENT] when done.
5.2.4.2 UTIL: LEDtst (Front Panel LED Test)
Once LEDtst is selected, the LBC‐4000 runs a diagnostic pass on the front panel LEDs. While the
test is underway, the following message displays:
Testing LEDs
Please Wait
During the test, each converter LED group (CONV A and CONV B) illuminates in sequence:
COLOR
LED (CONV A / CONV B)
RED
SUM FLT
YELLOW
MUTE
GREEN
ON LINE
UP
DN
5.2.4.3 UTIL: Relay
UTIL Fault Relay Logic:
Normal (▲▼ENT)
Use the [↑][↓] arrow keys to select the Fault Relay Logic as Normal or Invert, and then press
[ENT].