� Battery usage caution - to prevent battery leakage which may result in bodily injury, property damage or damage to the unit: Install ALL batteries correctly, + and - as marked on the unit. Do not mix batteries: (OLD and NEW or CARBON and ALKALINE etc.). Remove batteries when the unit is not used for a long time.
Headphone battery pack replacement
IMPORTANT! � Use only the original rechargeable battery pack (SBC EH2412/00) that came with the HD1500 set and which contains 2 pieces of Philips R06/AA NiMH batteries (1200 mAh). � Do not use other NiMH batteries, NiCd batteries or alkaline batteries as these may damage your FM wireless system. 1 Make sure that the power button of the headphone is in position �off�. 2 Open the headphone�s battery compartment door (figure 4 - 19a). 3 Take out the battery pack and dispose of them properly. 4 Insert the new battery pack in the headphone�s battery compartment. Use only the original rechargeable battery pack (SBC EH2412/00) which comes equipped with 2 pieces of Philips R06/AA NiMH batteries (1200 mAh). 5 Make sure the batteries are correctly inserted as indicated by the engraved symbols in the battery compartment. 6 Close the headphone�s battery compartment door. IMPORTANT! � Before using the FM headphone for the first time, please ensure that the batteries are fully charged.This will guarantee a longer operating lifetime of the batteries. � The battery pack in the base station�s recharging compartment will be fully charged once the charging indicator LED in base station�s window is illuminated in green.