Charge-status
indicator
Red LED 4 indicates the charge
status of the rechargeable bat-
teries. If the battery drains to the
extent that charge status drops
to a critical limit, a low-toned
buzzer sounds and the words
"low battery" are spoken as an
acoustic reminder.
1
LED is OFF
Charge status adequate
2
LED flashes once every two
minutes
Simultaneous low-toned buzzer
and "low battery" spoken re-
minder
Battery charge is sufficient for
a maximum of 20 minutes' op-
erating time
3
LED flashes twice every 60
seconds
Simultaneous low-toned buzzer
and "battery very low" spoken
reminder
Battery charge is sufficient for
a maximum of ten minutes'
operating time
4
LED flashes three times every
30 seconds
Simultaneous low-toned buzzer
and "battery empty" spoken
reminder
Battery charge is sufficient for
a maximum of five minutes'
operating time
Charging batteries
Pull charging adapter 1 out
from underneath the right
cheek pad and remove
protective cap 2.
The socket used for
charging the NiMH
rechargeable batteries must be
close by and readily accessible.
Note the permissible temperature
range for charging the
rechargeable batteries (see
4
29
z