GUILCOR AR004926, Instruction Manual, Page: 24 / 75

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Battery replacement:
If you want to keep the correct time setting in your device,
do not let the battery discharge completely.
When replacing the battery, do it quickly. The timer circuit
runs without battery for max. 5 minutes if the device is
switched off.
a) Switch the Multilogger off.
b) Remove the battery cover, take out the old batteries and
insert new batteries (take care for correct polarity). Battery
polarity is shown on its holder.
c) Switch the Multilogger on and make sure the set time is
correct (device menu View settings - General settings ).
d) If you change the battery chemistry (rechargeable <=>
non- rechargeable), you have to make this change in the
device configuration also.
Note: The Multilogger can operate with removed batteries
powered externally. This is not a standard use of the device
but it is possible. In this case, the full battery is displayed.
Interruption of power supply causes loss of time setting.