The display is unreadable / the light does not work
Replace the batteries
Reset
Press SET and SEL simultaneously to totally reset the watch. All stored data will be
lost. This is the only way to change language and the units of measurement. Set up
the watch as described in the chapter "Setting up the heart rate monitor watch".
Replacing the watch battery
The battery replacement can be performed by a watch maker in addition to a water
resistance test. To replace the battery yourself, please read the following instructions
first:
Remove the screws (1, 2, 3 and 4) from the back side of the watch with a small
Phillips screwdriver. Remove the caseback and the battery sticker. Use a small, flat
tool to open the latch (5) of the battery holder. Remove the battery and insert a fresh
3V CR2032 battery with the (+) terminal facing upwards. Ensure that the gasket (6)
is seated correctly. Close the latch of the battery holder. Replace the battery sticker
and the caseback and replace the screws.
Battery low indicator
If the battery voltage on the chest belt battery drops below the voltage required for
normal operation, (GURT/BELT) and (BAT/BATT) will appear on the display.
Replace the battery of the chest belt as described in the chapter "Chest belt".
- 17 -
Inserting the batteries into the
chest belt
Use a coin to unscrew the battery cover
on the back side of the chest belt and
insert the 3V battery with the (+) sign
facing up. Screw the battery
compartment cover back into the case.
Water resistance
Water resistant up to 3 bar. The bar value specifies the atmospheric overpressure
which is applied during testing (DIN 8310).
Water resistance of the chest belt
Water-resistant according to IEC 60529 IPX7.
Cleaning instructions
Clean the heart rate monitor with a soft, dry and lint-free cloth. A glasses cleaning
cloth is ideal. After each use, clean the chest belt and the watch strap using
lukewarm water, mild soap solution and a sponge. The textile strap of the chest belt
is machine washable at 30°C. Please take care not to get the watch wet. Dry all
parts with a towel and hang the chest belt to dry. Sweat and contaminants are
detrimental to the function of the sensor.
Simplified EU declaration of conformity
Hereby, digi-tech gmbh declares that the radio equipment type 1-LD4878 is in
compliance with Directive 2014/53/EU. The full text of the EU declaration of
conformity is available at the following internet address: http://www.digi-tech-
gmbh.com/ce/288686_HRM.pdf
battery CR2032
- 18 -