Model407780‐ENv2.31/14
8
Setting the Real Time Calendar Clock
1. Start with the meter off. Press and hold the DATE TIME button, and while holding the key, press
the green ON/OFF button to switch the instrument on. Release the power button when the meter
flashes three times.
2. A blinking number indicates the currently selected parameter. The first blinking parameter will
represent the current year. Use the UP and DOWN arrow keys to set the correct year.
3. Press the DATE TIME button to move to the next parameter (month). Use the arrow keys to set
the correct month.
4. Repeat step 3 to set the day, hour, minute, and second.
5. To confirm the new date and time press the DATE TIME button. Note that the 407780 has a
back-up battery.
Note: The clock can also be set via the accompanying software program. See the software
manual on the enclosed CD for the steps on this procedure.
Powering the meter
1. Install the four (4) ‘AA’ 1.5V batteries in the rear battery compartment. Observe polarity.
2. If the battery level falls low the battery symbol will appear on the LCD. Replace the batteries
when the symbol appears.
3. For use of the optional AC Adaptor, plug the adaptor into the side of the meter in the jack
labeled ‘6V’ and then into an appropriate AC power source.
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