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Chapter 2. Getting Started the BHT and System Mode
■ Low Battery Indication
Low battery indication—Level 1
If the battery output voltage drops below a specified lower level limit while the BHT is
in operation, the BHT displays the following Level 1 message for approx. 2 seconds
and beeps three times. After that, it will resume previous regular operation.
The battery recharge or replacement time will come soon. Recharge or replace the
battery cartridge as soon as possible.
Low battery indication—Level 2
If you continue to use the BHT without recharge or battery replacement after the Level
1 message appears, the BHT displays the following Level 2 message, beeps five times,
and then turns itself off. Depending upon the battery level, the beeper may not sound
five times.
Recharge or replace the battery cartridge.
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