Apogee Sound CA8000D Kullanıcı Talimat Kılavuzu - Sayfa 9
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3. Operation and Usage
3.3 Indicators (cont'd)
TEMP (thermal protection indicator).
This indicator illuminates to warn that the tunnel cooling temperature has risen above 90 degrees centigrade.
If this occurs, the amplifier will be temporarily shut down by the thermal monitor circuit in order to protect
it from damage. The amplifier will start up automatically when the temperature descends to 75 degrees
centigrade. The cause of thermally induced shutdown is typically a blocked air intake or exhaust port.
SIGNAL (signal presence indicator)
This indicator illuminates when signal is present at the amplifier input(s). It functions independently of the
setting of the attenuator (level) controls. Illumination begins when the input signal exceeds -40dB.
4. Cleaning
The control panel and chassis must not be cleaned with any solvent, abrasive or petroleum derived
substance or it may be damaged. When cleaning is required, use a soft cloth, slightly damped with water
and a neutral liquid soap. Be careful that no liquid gets into the amplifier. Never use sharp objects that could
scratch the control panel.
Should liquid get into the amplifier, send the unit to the nearest Apogee Technical Service Center for
inspection and repair.
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