Troubleshooting guide – AmpliVox S1297 User Manual

Page 7

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7

PROBLEM & ITEMS TO CHECK


UNIT WILL NOT TURN ON

· Is unit plugged in?

· Are batteries charged?

· Are fuses blown?

UNIT OPERATES ON AC BUT NOT BATTERY

·

Check battery terminals

·

Check 25A Circuit Breaker. Reset if needed.

`

SOUND IS DISTORTED

·

If overload LED is lit, turn down volume

·

Turn down input source (such as keyboards, etc.) since the
output of some devices may be too high

·

Check for debris on speaker cone

SOUND IS MUFFLED

·

Bass too high

·

Treble too low

FEEDBACK: ALOUD SQUEALING, SHRILL OR HOWLING
SOUND THAT IS SELF GENERATED

·

Feedback occurs when a microphone is too close to the
speaker or the microphone volume is too high, or the
microphone is pointed towards the speaker. It is also caused
by sound reflecting off hard surfaces.

·

Reduce or eliminate Feedback by

- Pointing the microphone in a different direction
- Keeping the microphone BEHIND the speakers
- Turn down the volume levels

POWER IS ON, BUT NO SOUND

·

Check volume levels for each channel and main volume

·

If using wireless, be sure receiver(s) and/or transmitter battery
is installed and/or is on

·

If using

“line insert”, loop must be completed.

SIGNAL IS WEAK

·

Check batteries

·

Check cables/connectors

WIRELESS SPEAKER TRANMITTER DOES NOT WORK

·

Check transmitter battery is alkaline and ensure transmitter is
on.

·

Does yellow

“signal” LED light when transmitter is turned on?

·

Are the transmitter and receiver on the same channel? (1-16)

WIRELESS SPEAKER CUTS IN AND OUT

·

Is unit visible (line of sight) from user? If not, move unit into
view when using wireless microphone.

·

Does the yellow

“signal” LED go out when signal drops out?

Check battery in transmitter.

·

Adjust MUTE LEVEL on receiver (turn clockwise).

SPEAKER MAKES BUZZING NOISE (WHEN USING CABLES)

·

Check cables

– a damaged cable will cause this. Unplug

cables one at a time until buzzing stops.

·

Check for Ground loops

– use a ground loop isolator where

needed. will not operate unless plugged into AC)



BATTERIES WILL NOT HOLD CHARGE

·

Replace Batteries every 1-2 years if unit is not left
charging when not in use.

·

A full charge is best obtained when the unit is off and
plugged into the AC outlet for several hours. After a
year or two the battery may need to be replaced. Batter-
ies are available from Amplivox.

·

To replace the batteries use a Phillips screwdriver and
take out the 8 screws from the battery cover on the con-
trol panel. Remove the foam spacer, set aside. Pull out
the batteries to access the terminals.

·

Carefully hold the battery with one hand while you re-
move the mating connector. Replace with new battery
and push mating connector of battery wire onto the cor-
responding color/polarity. RED = POSITIVE, BLACK =
NEGATIVE.

·

Place the batteries back in the compartment. Replace
the foam and screw in the cover.


NEED HELP? Call 800-267-5486

TROUBLESHOOTING GUIDE

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