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Shutdown due to low battery
Problem
When the power is turned on or off or during execution o
f
applications, the battery output level has lowered so that the BHT no
longer operates.
If lower battery is detected, the BHT beeps five times (for 0.1

second per beep) and then turns itself off. Depending upon the

battery level, the beeper may not sound five times.

Solution
Replace or recharge the battery cartridge. (For the charging
procedure, refer to Chapter 5, Section 5.5.)
If the grip style BHT is loaded with battery cartridges both in the BHT
body and the grip, replace or recharge both battery cartridges. Always
remove both battery cartridges, even if you only have one
fully-charged replacement battery cartridge on hand.

Service life warning for backup battery
Problem
The backup battery has been charged/discharged by the specified
number of times so that the battery capacity lowers below the
specified level.
Solution
Replace the backup battery. For the replacement procedure, refer to
Chapter 2, Section 2.4.