Simeon 500WU Manual De Usuario página 8

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Troubleshooting
No Sound
Check that the transmitters and receiver are both turned ON, and that the trans-
mitters are not set to MUTE. Verify that the 500WU receiver battery is charged, or
else plugged in to an AC supply with the correct power adapter. Check or replace
transmitter microphone. Check that the transmitter batteries are correctly inserted,
observing the correct polarity, and that the battery terminals are making firm contact
inside the battery housing.
No FM Signal
Check that the transmitters and receivers are set to matching channels. Check or re-
place batteries. Check transmitter switch is set to ON position. Remove obstructions,
e.g. metal structures, from line of transmission.
Dead Batteries
Check that the transmitter batteries are correctly inserted, observing the correct po-
larity, and that the battery terminals are making firm contact inside the battery hous-
ing. Ensure that the transmitter has been turned off before charging.
Batteries not Charging
Check that the transmitter is making contact in the pocket of the charging cradle
and that the charger is connected to the correct power supply. Remove any tape or
stickers from the transmitter that may impede contact with the charger. To reset the
transmitter battery indicator in case of an unexpected reading, turn the transmitter
OFF and then ON again.
Weak Sound
Check and adjust volume setting. Adjust microphone position. Check or replace mi-
crophone. Check that the correct power adapter is connected to the receiver.
Noise or Distortion
If using two transmitters, check that they are set to different FM channels. Check for
possible sources of radio interference (e.g. nearby computers, other FM systems) and
try different FM channels. Check the microphone and the integrity of microphone
cord and plug. Clean microphone plug pin with swabbing alcohol or other solvent to
maintain noise-free connection.
Feedback
Check and adjust volume settings. Ensure that the microphone is positioned correctly.
Avoid approaching too close to the portable receiver with the microphone on. Check
transmitter 7LT input sensitivity setting (MID setting recommended). To guard against
feedback, avoid pointing the microphone directly towards the portable receiver.
Intermittency
Check microphone, mic cable and the plug connection with the transmitter. Replace
microphone if necessary.
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Technical Specifications
FM Frequency Range
640-664 MHz
FM Channels
96 Switchable PLL Sythesized UHF Channels
Transmitter RF Output Power
< 10 mW
Transmitter Operating Range
50 - 70 m
Squelch
Tone Key and Noise-lock Dual Squelch
Dynamic Range
100 dB
Speaker Type
Conventional Full Rande 5" Cone Driver, 4 Ω
Audio Frequency Response
70 Hz - 16 Hz
Total Harmonic Distortion
< 0.5 %
Amplifier Continuous Power
30 Watts RMS; 50 Watts Max @ 4 Ω
Receiver Weight
3.5 kg including NiMH (Nickel Metal Hydride) Battery
Receiver Power Requirements
Built-in Recharable NiMH Battery or AC Supply
Transmitter Autonomy
> 12 Hours (NiMH 1.2V x 2, 2100 mAh)
Receiver Autonomy
> 6 Hours (NiMH 12V, 4100 mAh)
> 7 Hours (NiMH 12V, 4500 mAh)
Standard Microphone Type
Directional over-the-ear boom type
(Substitution with other microphone styles available)
Hand-held Microphone Type
Directional (dynamic)
Canadian Approvals
IC: 3918A - Simeon 7LT
IC: 3918A - Simeon 701TS
IC: 3918A - Simeon 500WU
Autonomy measured for Duo version under typical classroom conditions.
Notes
Operation of this device is subject to the following two conditions:
1)
This device may not cause interference, and
2)
This device must accept any interference, including interference that may cause undesired
operation of the device.
Certain notifications or licensing may apply to FM equipment in your jurisdiction. Contact the local
radio equipment regulating authority for your area for specific requirements.
© 2011 Supportive Hearing Systems Inc.
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