P
UBLIC ADDRESS POWER AMPLIFIER
4
PA-9312/9324A/9336/9348
Front Panel
Front Panel
1. 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.
2. 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.
3. POWER LED
When the unit is powered on, the Power LED will glow steadily.
4. OUTPUT LEVEL INDICATOR
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 continuously on (illuminated).
5. POWER SWITCH
Pressing this switch turns the unit on, as indicated by the Power LED. Pressing it again turns the unit off.
PA
9348
PUBLIC ADDRESS POWER AMPLIFIER
10dB
CLIP
40dB
PROT
O
UTPUT & PROTECTION
POWER
OFF
ON
12 3
4 5
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