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9
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9 Troubleshooting
Symptom
No sound.
POWER ON/
CHARGE LED
does not light.
Headphone sound
is in mono.
Noise.
Distorted sound.
Possible Cause
1. AC adapter is not connected to transmitter
and/or AC outlet.
2. Transmitter is not connected to audio source.
3. Connected audio source is switched off.
4. Volume control on audio source is at zero.
5. Batteries are low.
6. Headphones are switched off.
7. VOLUME control on headphones is at zero.
1. Transmitter is not connected to AC power.
2. Batteries are not correctly aligned with polarity
marks.
3. Headphones are incorrectly positioned on trans-
mitter.
1. Connected audio source operates in mono
mode.
2. Transmitter is not correctly connected to audio
source.
1. Transmitter and receiving frequencies are not
identical.
2. Audio level at transmitter input is too low.
3. Input signal is noisy.
4. Batteries are low.
1. Audio level at transmitter input is too high.
2. Transmitter and headphones carrier frequencies
do not match exactly.
3. Batteries are low.
Remedy
1. Connect AC adapter to transmitter and/or AC
outlet.
2. Connect transmitter to audio source.
3. Switch audio source on to feed signal to
transmitter input.
4. Set audio source volume to desired level.
5. Charge batteries.
6. Switch headphones on.
7. Set VOLUME control to desired level.
1. Connect transmitter to AC power.
2. Check orientation of batteries in battery compart-
ment.
3. Place headphones on transmitter correctly.
1. Switch audio source to stereo mode.
2. Check cable connection between transmitter and
audio source.
1. Press AUTOTUNING switch on headphones or
use FREQ ADJUST control to select different carri-
er frequency and press AUTOTUNING on head-
phones.
2. Increase audio source volume.
3. Check audio source.
4. Charge batteries.
1. Decrease audio source volume.
2. Use FREQ ADJUST control on transmitter to select
carrier frequency and press AUTOTUNING
switch on headphones.
3. Charge batteries.
10 Warranty Conditions
AKG warrants AKG products against evident defects in material
and workmanship for a period of one year from the date of
original purchase for use. This Warranty does not cover damage
resulting from misuse or abuse, or lack of reasonable care, or
inadequate repairs performed by unauthorized service centers.
Performance of repairs or replacements under this Warranty is
subject to submission of the sales slip. Shipment of defective
items for repair under this Warranty will be at the customer’s own
risk and expense. This Warranty is valid for the original
purchaser only.
This Warranty does not cover dry or rechargeable batteries.
Limited Warranty (valid in the United States only)
AKG warrants AKG products against evident defects in material
and workmanship for a period of one year and agrees to repair
or, at our option, replace any defective unit without charge for
either parts or labor.
This Warranty does not cover dry or rechargeable batteries.
Important: This Warranty does not cover damage resulting
from accident, misuse or abuse, lack of reasonable care, the
affixing of any attachment not provided with the product, loss of
parts, or connecting the product to any but the specified recep-
tacles. This Warranty is void unless service or repairs are per-
formed by an authorized service center. No responsibility is
assumed for any special, incidental, or consequential damage.
However, the limitation of any right or remedy shall not be effec-
tive where such is prohibited or restricted by law. Simply take or
ship your AKG products prepaid to our service department. Be
sure to include your sales slip as proof of purchase date. (We
will not repair transit damage under the no-charge terms of this
Warranty.)
Note: No other warranty, written or oral, is authorized by AKG
Acoustics.
This Warranty gives you specific legal rights, and you may also
have other rights which vary from state to state. Some states do
not allow the exclusion or limitation of incidental or con-
sequential damage or limitations on how long an implied
warranty lasts, so the above exclusion and limitations may not
apply to you.