© 2006 Nordic ID OyRF601 User Manual May 2006 Version 121���������������11.7 Audible signals and the LED indicator on the hand terminalThe status of the Desk Top Charger charging process is indicated by the LED indicator located on the front side of theHand Terminal base and by audio signals generated by the Hand Terminal.CHARGING INDICATOR LEDQuick charge – the red LED remains on and batteries are charged with full charging currentTrickle charge - the red LED blinks and trickle charger mode will maintain the charge level of the batteries atfull level.AUDIBLE SIGNALSThree successive beeps - charging not allowed (the Hand Terminal does not contain rechargeable typebatteries.Two successive beeps (long beep followed by short beep) - The battery is being charged.NOTICE! TO AVOID DAMAGE OR ACCIDENTS, THE DESK TOP CHARGER MUST NOT BE USED FOR ANY OTHERPURPOSE THAN THAT STATED IN THIS MANUAL.USE FOR OTHER PURPOSES NOT STATED IN THIS USER MANUAL MAY VOID WARRANTY.11.8 Technical dataRechargeable batteries Size AA, (see chapter “Warranty and safety warnings” at page 3 of this manual)Charging methods Quick charge and trickleCharging current 800 mACharging time Ca 1,5 h (1800 mAh battery)