10
Front Panel
2
REFERENCE
MONAURAL
AMPLIFIER
Nº 33H
1 |
1. standby button
When power is first applied to the Nº33H power amplifier, and assuming the rear panel AC mains switch is set to its on posi- tion, the amplifier remains completely off. Press the front panel standby button to bring the amplifier from completely off to standby. Each time you subsequently press the standby button (after a delay of ten seconds to allow all circuitry to sta- bilize), the Nº33H is toggled between standby mode and fully on.
To turn the amplifier completely off, press and hold the stand- by button for approximately one second, until the front panel indicator light turns off.
2. indicator LED
Indicates the operating state of the Nº33H.
LED Behavior | Description |
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Fully lit | Indicates that the Nº33H is powered on. |
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Slowly blinking | Indicates that the Nº33H is in standby. |
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Dimly lit | Indicates that the main power supply is off, and |
| only the supervisory power supply operational. |
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Not lit | Indictes that the Nº33H is powered off. |
If the amplifier will not power on at all, check the rear panel ~ac mains relay switch.
