Data Sheet

GPT-9500 Series User Manual
80
Set the Panel Key Lock
Background
Key Lock disables the front panel keys from
changing the test number, mode or testing
parameters. Only the START & STOP buttons
required for testing are not disabled. Also, the
KEY LOCK soft-key remains functional for user
to unlock the function.
Steps
1. Make sure the unit is within the READY status
under MANU mode. If it is under VIEW status,
press the STOP key to return to the READY
status. Alternatively, if it is under the EDIT
status, press the SAVE soft-key followed by the
STOP key to return to the READY status.
READY status KEY LOCK soft-key
2. Press and hold the KEY LOCK
soft-key for 1 second.
All soft-keys are disabled except for KEY LOCK
KEY LOCK icon is shown