F
REQUENCY
C
HANGE
I
NSTRUCTIONS
Normally, the PPA VPE’s factory-set channel (usually 72.9 MHz) requires no change.
However, if another hearing assistance system or authorized radio service is operating on
72.9 MHz in your area, it may prove necessary to use an alternate channel In this event, the
PPA VPE’s operating frequency can easily be changed to an alternate channel to avoid
interference.
T
RANSMITTER
F
REQUENCY
C
HANGE
I
NSTRUCTIONS
:
IMPORTANT:
Some cities have other radio services licensed on hearing assistance
channels. Under FCC rules governing hearing assistance, you must yield to them. A list of
cities where other radio services are known to exist is included with the transmitter. Do not
use frequencies that are known to be used by licensed radio services in your city, either if
they are on the list or if you discover one.
Step 1:
Unplug the power cord from the Transmitter and remove the antenna.
Step 2:
Use a phillips-type screwdriver to loosen the two screws on the rear of the
Transmitter. Remove the cover. Slide the circuit board out of the case.
Step 3:
Use the diagram to locate the frequency selector switches on the circuit board.
Locate the switch programming chart on the bottom of the Transmitter case.
Williams Sound
®
Helping People Hear
14
Front
F
IGURE
5: L
OCATING
F
REQUENCY
S
WITCHES
Frequency Switches
Содержание PPA VPE
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