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| MIL-V-62475(AT)
TABLE III. TSCD indicator lamps Continued.
Indicator
Color
Meaning
VEH BAT
Red
Vehicle battery voltage has fallen below 17.5 + 0.5 V
for at least 500 milliseconds (ms).
EQP BAT
Red
The equipment battery voltage has fallen below
20.5 + 0.5 V for more than 500 ms.
TSCD FAULT
Red
The TSCD's BIT has detected a TSCD fault.
GLLD FAULT
Red
Steady The TSCD's BIT or G/VLLD internal BIT has
detected a GLLD fault.
Flashing G/VLLD power is on but the GLLD code
needs to be entered.
TABLE IV. TSCD operator error messages.
Display
Cause
? E>878 KM
Easting value entered was greater than 878 km.
? E<122 KM
Easting value entered was less than 122 km.
N OUT OF RANGE
Northing value entered was greater than 9 999 999 in absolute value.
? ALT>7500 M
Altitude value entered was greater than 7500 meters.
? ALT<-400 M
Altitude value entered was less than 400 meters.
AZ>6399 MIL
Azimuth value entered was greater than 6399 mils.
AZ<0 MIL
Azimuth value entered as negative.
RNG<400 M
Range value entered was less than 400 meters.
OUT OF RANGE
Elevation value entered is greater than 999 mils.
? GLLD CODE
GLLD code number entered contained a 0 or 9, or had less than
3 digits.
NO VALID E/N
An update, realign, or reinitialize NSG command was attempted
before vehicle northings and eastings were entered.
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