4. POWER SOURCES
4.1 INTERNAL BATTERY
4.1.1 RECHARGING
The cells may be rechargedby connecting the ACadaptor tothe DC power jack and leaving the
equipment switched off. The charge indicator will illuminate while the batteries are being
charged. Full charge is achieved in 14 hours. A fully charged battery will give approximately 8
hours operation if the backlight is not used. (see Section 12 ‘Power Source’ for details of
charging voltages).
Note:Whenfitting newcells the initial chargeperiod should be24 hours and 14 hoursthereafter.
4.1.2 MAXIMISING BATTERY LIFE
Do not recharge until the Battery Low warning is displayed.
Do not charge for more than 24 hours.
Stay within the RECOMMENDED temperature limits shown in the specification (Section 12).
Radiodetection Ltd. 00901209-6
T631 OPERATING MANUAL 16
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