3. SPEAKER OUTPUT CONNECTORS
Provide audio output for the speakers. Output connectors can accept bare speaker wires or most
spade connectors. When using bare speaker wires, loosen the connector, insert the wire into the
top of the receptacle, and tighten the connector. The same procedure should be used for spade
connectors.
4. REMOTE TRIGGER INPUT
Enables the Model 7.250 to be controlled by an external device with a 3.3V DC minimum to 24V DC
maximum trigger output. Connect the trigger output of the external device to the TRIGGER INPUT
of the Model 7.250 power amplifier. The Model 7.250 will automatically respond when the external
device is powered on and off. When the controlling device is turned on, the amplifier will turn on
after a delay. This delay is intentional and serves to protect the speakers while the unit stabilizes.
During start-up, you may hear relay clicking. This is normal operation.
5. DIMMER SWITCH (SEE FRONT PANEL DESCRIPTION)
6. MASTER POWER SWITCH/CIRCUIT BREAKER
Connects and disconnects power from the AC Input Connector to the Amplifier Power Supply.
When this switch is on, the amplifier is in Standby Mode (See Front Panel Description). When it is
off, the front panel Power Button will not function. Set this switch to off when making or breaking
connections to the amplifier. The Master Power Switch also serves as a breaker.
To power on the Model 7.250, press the rear panel Master Power Switch. When powered on, the
amplifier is in Standby Mode. There will be a delay from the time the power is turned on until the
power is applied to the speakers. This is normal operation and protects the speakers from
potential damage while the unit stabilizes. You may hear a relay click during start-up, which is
also normal operation.
The Master Power Switch on the Model 7.250 power amplifier is also a heavy-duty magnetic
circuit breaker. If power to the amplifier is interrupted, inspect the Master Power Switch on the
rear of the unit. If the Master Power Switch is in the OFF position you can reset it to the ON
position to restore AC power. If the Master Power Switch immediately trips to the OFF position,
unplug the amplifier from the AC power source and contact Cary Audio Design Customer
Service.
Note:
The class 2 wiring label is required for any unit in which the audio output power exceeds 10W
per channel under normal operating conditions or if the unit is intended to be installed or
connected by a skilled person.
When the Model 7.250 Master Power Switch is switched off or there is a power
outage, the state of the unit remains the same when power is restored. If in standby
mode when the power is removed, it will remain in standby mode when power is
restored. If the unit is in active mode (blue display is lit) and power is removed, it
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