18
■
Checking the Battery Voltage Level
Pressing ENT key while holding down SF key displays the current voltage level of the
battery cartridge as a bar indicator on the LCD. (Releasing those keys will erase the
indication.)
For details, refer to Subsection 2.3.3, "Adjusting the LCD Contrast & Beeper Volume,
and Displaying the Battery Voltage Level."
WARNING
Only use the dedicated charger (CU-5001 or
C-500) for charging the Ni-MH battery cartridge.
CAUTION
Never charge a set or damp Ni-MH battery car-
tridge.
Doing so could cause the batteries to break, gen-
erate heat, rupture or burn.
■
Low Battery Indication
If the battery voltage level drops below the specified level while the BHT-5000 is in
operation, the BHT-5000 displays the following message on the LCD, beeps five times,
and turns itself off automatically.
- For the Ni-MH battery cartridge:
Charge the battery cartridge (see
■
Charging the
Ni-MH Battery Cartridge below) or replace the
current battery cartridge with a fully charged
one.
- For the dry battery cartridge:
Replace the dry batteries in the cartridge with
new ones.
Replace the batteries
Charge the battery !
(When the Ni-MH battery
cartridge is loaded)
(When the dry battery
cartridge is loaded)
■
Charging the Ni-MH Battery Cartridge
You may charge the Ni-MH battery cartridge with the optical communications unit CU-
5001 or the quick charger C-500 (option). For the charging procedure with the CU-
5001, refer to Chapter 5. For the charging procedure with the C-500, refer to the "C-500
User's Manual."
