Denso BHT-7000 User Manual page 36

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 service life of the battery cartridge will expire soon. If the BHT is driven by the
lithium-ion battery cartridge, recharge or replace it; if it is driven by the dry battery
cartridge, replace the dry batteries.
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.
If the BHT is driven by the lithium-ion battery cartridge, recharge or replace it; if it is
driven by the dry battery cartridge, replace the dry batteries.
Battery voltage
has lowered.
(When driven by the lithium-ion battery cartridge)
Charge the
(When driven by the dry battery cartridge)
Replace the
battery!
batteries!
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