Williams Sound PPA R7 User's Guide download pdf (Page 25)

Williams Sound

Helping People Hear

STEP 6: W

ith the earphone or headphone supplied with the receiver plugged into the Ear Jack, turn the

volume control to a comfortable level, and listen for the transmitted signal.

STEP 7: Gently put the tip of the tuning tool into the slot in the tuning slug. Be careful not to push hard

on the slug so as not to damage the threads in the coil, and do not screw it down more than 3

turns into the coil.

STEP 8: Turn the tuning slug in a counter-clockwise direction about two turns. Then, slowly turn the tuning

slug in the clockwise direction until the signal is heard. There may be two signal points heard.

The one which is received first is a false response. Be sure to continue tuning slightly further

to the correct point, which will be much louder. Tune back and forth to find the center of

the point of best response to the audio source being heard.

STEP 9: Mark down the date, and if a new frequency has been chosen, mark it down inside the receiver

case for future reference.

NARROWBAND FM RECEIVERS (OPTIONAL)

RECEIVER MODEL PPA R19

The R19 is a two-channel narrowband receiver operating on 72.900 and 75.700 MHz frequencies. It

features volume control on/off switch, channel selection switch, earphone jack, tone control selection

switch and on/off power indicator.

NOTE: The R19 and R19-6 narrowband receivers use crystals to designate frequency selection and are

therefore not field tunable. To select a different operating frequency, the receiver must be returned to

Williams Sound for service.

TTER

INST

ALLA

TION

Open the battery compartment using a coin in the slot in the bottom of the receiver. Observing proper polarity,

press the AA batteries into place (see “Receiver Battery Information” on page 27). NOTE: Incorrectly

installed batteries may cause damage to your receiver, which will void the five year warranty.

R19 Top

Channel Switch

Tone Control

Volume Control

On/Off Switch

Earphone

Jack

Power

On/Off Indicator

R19 Front

EAR Channel

Volume

Lo HiMid

Off Max

Tone

Narrow Band

Williams Sound

FIG. 19

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 35 36

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Williams Sound PPA R7 User's Guide Page 25

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