ARMY TM 5-6675-308-12
MARINE CORPS TM 08837A-12/1A
NOTE
This table covers only items used by the opera-
tor; items used by higher level maintenance
personnel are covered in instructions for the
appropriate maintenance level.
Function
Control, indicator, or connector
CDU (figure 3-1)
Display system status and operating modes as follows:
Status indicators
Flashing STOP alerts operator to stop for zero-velocity
STOP
correction. Steady STOP alerts operator to remain stopped.
Operator may move PADS system with STOP indicator
illuminated prior to entering spheroid data. PADS must not
be moved for at least one minute after turn on.
Flashing GO advises operator the vehicle may be moved.
GO
Steady GO indicates the vehicle has moved since the last
zero-velocity correction
Indicates possible computer failure
COMP
Indicates possible IMU failure
IMU
BATT
Steady BATT indicates: vehicles or PADS battery is not
connected, PADS battery is being discharged, or either PS
circuit breaker is OFF. Flashing BATT indicates input
voltage is too low and PADS will soon turn off unless the
problem is corrected
Indicates operator error
ATTN
Indicates PADS batteries are charging
CHRG
Indicates entry and display of position data are in the adjacent
ADZ
universal transverse mercator (UTM) grid zones
MON
CDU displays requested data being monitored
Indicates system is ready to accept position or elevation
UPDT
update data
Lights during initialization. Lighting during a position or
CAL
elevation update indicates the operator has entered incorrect
data or the system is out of calibration
MARK
Indicates the system is recording marked survey data
Z-VEL
Indicates zero-velocity correction is being made
ENT
Indicates computer is ready to accept data from the keyboard
Data display
Displays alphanumeric data and commands
Used to enter data and commands as follows:
When pressed with vehicle stopped starts zero-velocity
STOP
correction. Lights STOP indicator and turns off audible
alarm, if on. If pressed while vehicle is moving, ATTN
indicator will illuminate
Initiates position mark procedure. Lights MARK indicator.
MARK
Pressing MARK twice cancels a position-mark procedure
Previous Page
