Williams Sound Transmitter PFM T31 User Manual
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2
Williams Sound
®
Helping People Hear
B
ATTERY
I
NFORMATION
:
Battery Type: (2) BAT 001 AA 1.5 V Non-rechargeable Alkaline batteries.
Battery Life: Approx. 12 hours. 70 mA nominal current drain.
Optional Rechargeable Batteries: BAT 026 AA NiMH rechargeable batteries. 10 hours per
charge, 70 mA nominal current drain. Uses Williams Sound CHG 200 Charger.
Battery Installation: Insert a small coin into the pry slot of the battery compartment. Turn
the coin to release the battery compartment cover. Carefully observe the marked +/- polari-
ty and press the batteries into place. NOTE: Batteries installed incorrectly may result in
damage to the product. This is not covered under the product warranty.
Battery
Compartment
1
2
3
4
5
6
7
8
Frequency Switches
Begin by opening the battery compartment. Remove the batteries, then open the back panel
to expose the circuit board.
Referencing the Switch Settings chart (above), adjust the frequency switches on the T31
transmitter accordingly using a small screw driver or paper clip.
Reinstall the batteries, then close the back of the transmitter. Plug in the mic, and turn on the
transmitter to provide a tuning signal for the receivers.
Be sure to change the receiver to the corresponding channel.
Switch Settings
MHz
1
2
3
4
5
6
7
8
72.1
DN
UP
DN
UP
DN
DN
DN
DN
72.3
DN
UP
DN
UP
UP
DN
DN
DN
72.5
DN
UP
DN
UP
DN
DN
UP
DN
72.6
DN
DN
UP
DN
DN
DN
DN
UP
72.7
DN
UP
DN
UP
UP
DN
UP
DN
72.8
DN
UP
DN DN
DN
DN
DN
UP
72.9
DN
UP
DN
UP
DN
DN
DN
UP
74.7
UP
DN
DN
UP
UP
DN
DN
UP
75.3
UP
UP
DN
UP
DN
DN
DN
DN
75.4
UP
UP
DN DN
UP
DN
DN
DN
75.5
UP
UP
DN
UP
UP
DN
DN
DN
75.7
UP
UP
DN
UP
DN
DN
UP
DN
75.9
UP
UP
DN
UP
UP
DN
UP
DN