MAN 143C
Hearing Helper
™
Wireless FM Listening System
13
Non-rechargeable Batteries
In normal use, two AA 1.5 V alkaline batteries (BAT 001) will last
approximately 40 hours in the R863 receiver. If the sound becomes weak or
distorted, replace the batteries. Do not leave dead batteries in the receiver.
Battery corrosion is not covered by the Williams Sound warranty.
Rechargeable Batteries
The R863 receiver can use rechargeable AA batteries (BAT 026). On an
overnight charge, these NiMH batteries are designed to operate for 30
hours in the R863 receiver.
NOTE: The battery installed in the receiver may be recharged in the
receiver only if it is a NiMH battery, and only if a Williams Sound
CHG 3512, CHG 3512 PRO, or CHG 3502 Multi-Charger is used.
Damage from improper charging is not covered by the Williams
Sound warranty.
!! IMPORTANT WARNINGS !!
DO NOT ATTEMPT TO RECHARGE ZINC CARBON (“HEAVY DUTY”),
ALKALINE, OR LITHIUM BATTERIES!
DO NOT ATTEMPT TO RECHARGE SINGLE-USE BATTERIES!
These batteries may heat up and explode, causing possible
injury and damage to the equipment. Avoid shorting the plus
and minus battery terminals together with metal objects. Battery
damage and burns can result! Use only Williams Sound supplied
chargers and rechargeable batteries!
NOTE: Rechargeable batteries are shipped in a discharged condition.
They must be charged for a complete charge cycle before the
first use. Rechargeable batteries may need to be replaced after
1-2 years of use.
