Sun Nuclear Radon 1028, Руководство пользователя

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The battery is located in a small compartment on the back of the radon monitor
(Figure 5). To install a new battery,
Replacing the 9V Battery , below. A replacement
9V battery can be purchased from Sun Nuclear or any retail source.
Figure 5. Inserting a Battery
Replacing the 9V Battery
The internal 3V battery will discharge in 15 minutes and if discharged, the unit
must be returned to Sun Nuclear for replacement. Additionally, if the 3V internal
battery is discharged, the time and date may be reset and the “Current” values
may be permanently erased.
1 If a test is in progress, wait for the test to complete.
2 Connect the radon monitor to AC power using the AC adapter. See
Connecting the AC Adapter on page 7.
3 Open the battery compartment door (Figure 5) on the rear panel of the unit.
4 Remove the old battery and unsnap the connector.
CAUTION: High humidity may shorten battery life. Connect the AC
power adapter when using the radon monitor in areas with high
humidity.
WARNING:
Always connect to AC power before replacing the 9V
battery, to prevent the internal 3V battery (required for operation)
from discharging.
CAUTION: Never replace the battery during a test.