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9
If the heart rate readings become erratic or stop, your
transmitter battery may need replacing.
To change the battery:
1. Open the transmitter battery lid with a coin by turning it
counterclockwise.
2. Insert a new CR2032, 3V lithium battery.
3. Replace the battery compartment door.
NOTE Take care not to touch the two contacts otherwise
the battery can discharge. If you are unsure about the
procedure consult your dealer.
ENERGY SAVING FEATURE
If the watch receives no transmitter signal after 5 minutes,
the SE122 will switch back to the previous display mode.
SPECIFICATIONS
Real time clock
12/24 hour with hour / minute
/ second
Stopwatch
00:00:00 to 29:59:59 (hrs:
min: sec)
Heart rate 30 - 240 bpm
Upper limit 80 - 240 bpm
Lower limit 30 - 220 bpm
Calorie range 0 - 9999 kcal
Power
Watch 1 x CR2032 3V battery
Chest belt 1 x CR2032 3V
battery
Operating temp -10°C to +50°C (14°F to 122°F)
Storage temp -20°C to +60°C (-4°F to 140°F)
Water resistant
Up to 50 meters (164 feet)
without pressing keys
PRECAUTIONS
• Do not subject the unit to excessive force, shock, dust,
temperature or humidity.
• Do not cover the ventilation holes with any items such
as newspapers, curtains etc.
• Do not immerse the unit in water. If you spill liquid over
it, dry it immediately with a soft, lint-free cloth.
• Do not clean the unit with abrasive or corrosive
materials.
• Do not tamper with the unit’s internal components. This
invalidates the warranty.
• Only use fresh batteries. Do not mix new and old
batteries.
• Images shown in this manual may differ from the actual
display.