Williams Sound
®
Helping People Hear
27
S
UGGESTIONS
F
OR
R
ECEIVER
M
ANAGEMENT
Different types of facilities use varying approaches to receiver management and earphone sanitation. Below are
some options that customers have used successfully.
1.
Regular users purchase or are given their own receiver and take care of their own batteries and earphones.
2.
The facility labels a receiver and earphone for each regular user. The facility maintains the units.
3.
Ushers issue receivers to people who request them.
Earphones are sanitized after use. Foam ear cushions can be replaced or washed with a mild detergent,
rinsed thoroughly and air-dried. The EAR 022 Surround Earphone can be sanitized with an alcohol pad.
The receivers can be stored in a multiple compartment storage case with a credit card or driver’s license left
as collateral for the receiver.
4.
Regular users purchase their own earphone or headphone and bring them to use with receivers at the facility.
R
ECEIVER
B
ATTERY
I
NFORMATION
(
ALL RECEIVER MODELS
)
If the receiver sound becomes weak or distorted, replace the battery. The indicator light may remain on, even with a
battery that is weak. Do not leave dead batteries in the receivers. The chart below shows typical battery life with
Williams Sound’s 72-76 MHz receivers:
!! IMPORTANT WARNINGS !!
DO NOT ATTEMPT TO RECHARGE ZINC CARBON (“HEAVY DUTY”), ALKALINE, OR LITHIUM BATTERIES!
DO NOT ATTEMPT TO RECHARGE DISPOSABLE 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!
Model
Battery Life
Battery Type
R7-4
Alkaline 9V Batteries (BAT 002)
32 hours
Rechargeable 9V NiMH (BAT 003)
6 hours
R19 and R19-6
Alkaline AA Batteries (BAT 001)
90-100 hours
Rechargeable AA NiMH (BAT 026)
45-50 hours
R35
Alkaline AA Batteries (BAT 001)
100 hours
Rechargeable AA NiMH (BAT 026)
56 hours
R35-8
Alkaline AA Batteries (BAT 001)
50 hours
Rechargeable AA NiMH (BAT 026)
32 hours
B
ATTERY
C
HARGER
I
NFORMATION
IMPORTANT: Batteries installed in the receiver may only be charged if they are NiMH or Ni-Cad Batteries,
and only if a Williams Sound charger is used. Make sure the receiver is turned off during charging! Use the
chart below to select a charger for your Williams Sound 72-76 MHz receiver.
Model
Charger
R7-4
Recharge batteries only with the BAT KT4 or CHG 1269 Multi-Charger unit. For additional
charging instructions, refer to the manual included with the charger unit.
R19 and R19-6
Recharge batteries only with the CHG 200A 3V Dual Charger or the CHG 1600 Multiple
Battery Charger. For additional charging instructions, refer to the manual included with the
charger unit.
R35 and R35-8
Recharge batteries only with the CHG 3512 Multi-Charger unit. For additional charging
instructions, refer to the manual included with the charger unit.
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