2. Entering the calibration date
a.
3. Confirming input
Press the CLEAR button to confirm the input of the calibration date.
The saved calibration date can be called up any time the instrument is switched on. To do this, simply
press and hold the On/Off button. A continuous display of GLP, the year and the month of the desired
date appear. Releasing the button ends the continuous display and the instrument is switched on. (If
'oFF' is selected as the calibration date, this function is deactivated.)
11.3 Auto power off (APO mode)
In APO mode, the time for automatic power off can be set from 1 to 30 minutes. The factory default
setting for automatic power off is 3 minutes. The shorter the auto power off time setting, the longer
the batteries will last.
1. Entering APO mode
a.
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Press and hold the Pause button until the desired date is dis-
played. Pressing briefly gradually extends the time until the
Month
calibration date. Pressing the On/Off button reduces the time
Year
until the calibration date. (Date input can be from 'oFF' to
-
12/2099)
+
NOTICE
a.
With the instrument powered on, press and hold the
> 3 s
CLEAR button for more than 3 seconds until the follow-
ing modes are repeatedly shown one after another in
the display:
CAL — GLP — APO — dP
11 Additional functions
67
Operating manual