4
EN
GETTING STARTED
RA123 uses 2 x CR2032 lithium battery, which has
already been installed. See below for battery warnings.
LOW BATTERY ICON DESCRIPTION
The device battery is low.
NOTE
If you need to replace the battery, we highly
recommend you contact the retailer or our customer
service department.
To replace battery:
1. Use a Phillips screwdriver to unscrew the lid of the
battery compartment.
2. Remove the old battery and insert the new one
matching the polarities.
3. Replace the lid using a Phillips screwdriver, screw
until firmly in place.
NOTE
When battery is replaced it is important to re-
calibrate the compass’s magnetic sensor.
NOTE
While the low battery icon
is displayed,
instant altitude, maximum altitude, air pressure, sea level
pressure, temperature and compass values show “ - - “ . It
will return to normal once battery has been replaced.
OPERATION
OPERATING MODES
Press
TIME
to switch between:
Press
ALT/+, COMPASS, BARO/-
to switch between:
Time mode Date mode Alarm mode
Altimeter mode Compass mode Barometer mode
