User Manual

Display message in turning off the BHT
The following alarm message will be displayed when you turn the BHT off.
While this message is displayed, do not remove the rechargeable battery car-
tridge or dry battery cartridge.
Shutdown
in progress.

Do not remove the
battery.
If you remove the battery cartridge when the above message displays and
leave the BHT for more than one hour, then the message “Contact your
administrator. Note the error number. (2XXX)” may appear on the LCD
when you reload the battery cartridge and turn the BHT on.