Denso BTH-300BW User Manual page 37

• Before battery replacement, be sure to turn the BHT off. Within three minutes from the removal of
the battery cartridge, load the battery cartridge to avoid data loss. After battery replacement, turn
the BHT on and check its operation.
• You may charge the battery cartridge with the optional CU-301/321/311 communication unit or
optional CH-351/CH-201 charger. For the charging procedure using the CU-301/321/311, refer to
Chapter 5. For that using the CH-351/CH-201, refer to the "CH-351 User's Manual"/"CH-201
User's Manual."
• If the "Replace the batteries!" or "Charge the battery!" message appears after the BHT undergoes
any shock or impact, turn the BHT off and on and then check the battery output level. The battery
may not have run out.
Only use the dedicated
CH-351/CH-201) for charging the rechargeable battery
cartridge.
Using a different type of charger could cause battery-rupture or
leakage of battery fluid and result in a fire, bodily injury, or
serious damage to property.
Never charge a wet or damp battery cartridge.
Doing so could cause the batteries to break, generate heat,
rupture or burn.
charger
22
(CU-301/321/311 or