PA-9312/PA-9324/PA-9336 Power Amplifier
Front Panel Controls
1. Power LED
When the unit is powered on, the Power LED will glow steadily.
2. Power Switch
Pressing this switch switches the unit on, as indicated by the Power LED (1).
Pressing it again switches the unit off.
3. Output Level Indicators
These three LEDs indicate the amplifier’s output status. The –40dB LED indicates
the presence of audio signal at the amplifier’s output. The –10dB LED indicates
output at nominal operating range. The red CLIP LED indicates an excessive
output level. Do not operate the unit with the CLIP LED constantly on
(illuminated).
4. Protection Indicator
This LED indicates the state of the amplifier’s protection circuitry. When the
Protection LED is on (illuminated), the protection circuitry is active, indicating that
the unit is not operating normally. This is typically due to overheating or power
limiting. Please check the Input and Output condition of the amplifier.
5. Fan Vents
These vents provide cool air flow into the unit. It is important to keep them free of
obstructions, to prevent the unit from overheating. It is also important to operate
the unit in a dust-free environment.
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