2.
While the instrument is on, press simultaneously on the
3 buttons and then release: the following indications
will appear:
(the instrument is in the automatic
stop mode), 127 (the software version) and the segments
that are lit up (1 segment = 0.025V, no segment: <2.3V,
all the segments lit up: >3.1V).
This information is only valid for the battery supplying the
instrument. As for the Light Emitting Diode lamp, a significant
decrease in the brightness of the light will indicate that you need
to replace the batteries.
Battery lifetime
In the storage state
: > 12 ye rs
a
Turned off (OFF state)
: 6 years
Permanent operation
: 6 weeks
Constant ope history with a
rate of 1 recording per second)
: 3 weeks
A lifetime of at least 1 year when in standard use
. A practical
example: instrument turned on once a day for 30 m history with a
rate of 1 recording every 20 seconds.
LCD Display Test
This test is used to check if all the LCD segments are
operating. With the instrument switched off, press down
simultaneously the 3 buttons for 2 seconds; all the
segments light up (as shown opposite). To stop the
instrument, keep
down.
Temperature Compensated Quartz
The instrument uses a temperature compensated quartz clock. Should
you notice a drift however, you have the possibility of correcting this
deviation by -6.35 to +6.35 seconds per day. Go to the special menu and
display the chronometer screen, then keep the
button down,
starts
flashing on the
upper block
. Release the button when you have accessed
the calibration. Use the
button to select the direction of the adjustment
(
increment,
decrement), then set the value using the
button.
Keep the
button down to confirm your setting, release it, and then
press it down again to exit the special menu.
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