User Guide

NHB–3
Technical Documentation
PAMS
Desktop Charger CHH–2
Original 26/97 Page 4
Desktop Charger CHH–2
Related Documentation
General
The CHH–2 desktop charger is designed for the charging of the handportable
phone and a spare battery. In a standard configuration rapid charging is pos-
sible by connecting the desktop charger to an ac power outlet via a suitable
constant current ac adapter (ACH–4). This must be connected to the d.c. con-
nector, X130.
Technical Summary
Operation
The device has a d.c. plug input connector for ACH–4 charger and 2– and
4–pin output connectors for the phone and extra battery. Charging takes place
at a battery temperatures of 5...45 Centigrade. Charge control of the phone is
done with phone microprocessor and charge control of extra battery is done
with separate microprocessor located in a desktop stand. Phone is always
charged first, then extra battery.
A battery gives better capacity if it is occasionally discharged completely. User
can do this by using the ‘deep discharge‘ –feature of CHH–2. This feature is
provided only extra battery slot and pressing the ‘discharge‘ –button. The extra-
battery will then automatically be discharged and charged to full. If this button is
pressed twice then the discharge function is cancelled.