Williams Sound
®
Helping People Hear
24
T
ROUBLE
S
HOOTING
G
UIDE
N
O
T
RANSMITTER
O
PERATION
P
OWER
L
IGHT NOT ON
þ
Most likely, there is no power. Make sure the power outlet is working and that the PPA
250’s power supply (TFP 016) is connected correctly.
A
UDIO
D
IFFICULTIES
(
AS HEARD IN PHONES JACK ON TRANSMITTER
)
N
O
A
UDIO HEARD IN
P
HONES JACK
þ
Check to see if there is a signal coming from your audio source. Check and correct your
audio source if necessary.
þ
Check to see if the Audio Level control has been turned all the way down. If so, adjust it.
þ
Check to see if there is an incorrect or defective connection from your audio source. See
page 13-14 for detailed connection instructions.
N
OISE IN
A
UDIO
þ
Check to see if there is noise in source audio. To find out, disconnect the audio cable. If
the noise disappears you noise problem is in the source. Correct or repair your audio
source.
þ
Check to see if your source level is too low. If so, readjust your source audio level or
reset Audio Select switch to match the existing source level.
B
UZZ OR
H
UM IN AUDIO
þ
Check to see if the buzz or hum in in the source. If so, correct or repair your audio
source.
þ
Check to see if there is an incorrect or defective connection from source. If so, correct
your connections. See page 13-14 for detailed instructions.
D
ISTORTED
A
UDIO
þ
Check to see if the source audio is distorted source. If so, correct or repair your audio
source.
þ
Perhaps the Audio Select switch is not set to match your audio source. If this is the case,
reset the Audio Select switch to match and/or readjust the source.
þ
Check to see if the Audio Level control is set too high. If the +6 level indicator is on all
the time, adjust the Level control counter–clockwise.
þ
If the Audio Level control is set near fully counter–clockwise, the Audio Select switch is
set incorrectly. Set Audio Select switch to match your audio source and/or readjust the
source.
