MSC-2Dx 28
CR2032

CR2032

REPLACING BATTERY
Warning !!!
Safely dispose of the old battery. Do not place them within children's reach. If a battery is
swallowed by accident, consult a doctor immediately.
When the factory loaded battery has worn out, replace it with a new one according to the follow-
ing instruction:
NOTE !: Always replace both batteries at the same time (the one in the main unit
and the one in the chest belt).

Main Unit

Battery life: approx. 2 years (if used for 1 hour a day)
The battery life shown in this manual is not definitive and it varies depending on the use environment.
Caution:
When replacing the battery in the main unit it is highly recommended that you have this
operation done by a professional jeweler who can test the unit for watertightness after re-
sealing it.
•Back cover seal is critical to maintain the water resistant capacity. When re-assembling
after replacing the battery, check if the packing properly fits in position.
•When replacing battery, handle the unit carefully and do not apply much pressure on any
part of the unit.
1. Remove four screws on the back cover of the main unit using a precision screwdriver No.0.
2. Slide the battery lock to the direction of the arrow in the figure.
3. Replace it with a new lithium battery (CR2032) with (+) pole facing upward. Fasten the
battery with the battery lock.
4. Replace the back cover and tighten the screws using a precision screwdriver No.0.
After replacing the battery, you MUST press AC button and set the clock time again.

Wireless Heart Rate Sensor

Battery life: approx. 2 years (if worn for 1 hour a day)
Caution:
•The Wireless Heart Rate Sensor continues to consume battery while being attached to
your body. When you are not measuring heart rate, remove it from your chest to save the
battery life.
•Battery cover seal is critical for maintaining its watertight capacity. Check the battery cover
for proper fit and positioning closing.
1. Remove the battery cover on the back of the transmitter with a coin.
2. Replace the old battery with a new lithium battery (CR2032) with the (+) pole upward as
illustrated.
3. Close the battery cover securely.
Back Cover
Lithium Battery
Battery Lock
Battery Lock
Heart Rate Sensor
Battery Cover
Lithium
Battery
Water Proof Packing
Water Proof
Packing
Water Proof
Packing