Unit is
unresponsive to
keypad
Program is locked up. Short pins 1 and 2 of
the external activation input to reset it. See if
updated firmware is available.
Power is on but
display is blank
Press the CLEAR / NO key on the keypad.
Sudden voltage swings can cause this.
GPS not on: Turn GPS speed on in Setup.
RS232 port not selected: Set GPS RS232
port to 1.
May take up to 1 minute to acquire satellites.
There was a problem writing to the flash
memory. Import data to Profile if necessary
and clear memory
Memory is full. Import data to Profile if
necessary and clear memory
File is too long for memory capacity
Divide by 0 error. Power off and back on