User manual
PQM-702, PQM-703 Operating Manual
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using buttons on the keyboard, the user can enter the correct unlock code: button may
be used to enter the correct unlock code: whereas button changes numbers in sequence 0, 1,
2…9, 0 at the first position, button on the second and button on the third.
a three-second inactivity on the keyboard will start the verification of the entered code,
correctly entered password is indicated by word OK and the lock is cancelled, whereas entering
wrong password results in displaying message "Invalid Code" and returning to the previous
state (e.g. blank screen when it was blank before).
After unlocking, the keyboard automatically locks again, if the user has not pressed any button
for 30 seconds.
2.14 Sleep mode
The PC program provides an option to activate the "Sleep mode". In this mode, after 10 seconds
of the recording, the analyzer switches off the display. From this point, every 10 seconds the screen
displays (in its upper left corner) the number of measurement point to indicate active recording.
After completing recording (e.g. when the memory is full) the screen remains blank until the user
presses a button.
Note
Holding down buttons and for 5 seconds results in an emer-
gency unlocking of the keypad and removes the lock.