Lexicon RX-7 User Manual download pdf (Page 17)

ZX-7/RX-7 Basic Operation

2-7

1 & 2 UNBALANCED/BALANCED INPUT 1 TO 7

CONNECTORS

Provides audio input for the speakers connected through the

unbalanced (RCA) inputs or balanced (XLR) inputs.

The illustration below shows the appropriate cable pin-out for XLR

connectors.

Caution!

Never make or break connections to the ZX-7/RX-7 unless

the ZX-7/RX-7 and all associated components are

powered off.

Do not connect the outputs of one channel to the outputs

of other channels or to other amplifiers.

3 CHASSIS GROUND

Provides a means of grounding the power amplifier to another

component within your configuration in order to eliminate ground

loop.

4 REMOTE TRIGGER INPUT

Enables the ZX-7/RX-7 to be controlled by the MC-12HD/MC-8 or

other external devices 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 ZX-7/RX-7 amplifier.

The ZX-7/RX-7 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 MASTER POWER SWITCH

Connects and disconnects power from the AC Input Connector to

the Amplifier Power Supply. When this switch is on, the front panel

standby/on LED illuminates. When it is off, the front panel

standby/on 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 ZX-7/RX-7, press the rear panel master power

switch. The ZX-7 120V AC includes 2 power switches. You must

power both switches on or off. When powered on, the front panel

LED will light. 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.

Your power amplifier is supplied with a heavy-duty magnetic circuit

breaker. With the ZX-7 120V AC unit, there are 2 heavy duty

magnetic circuit breakers. If power to the amplifier is interrupted,

inspect the circuit breaker on the rear of the unit. If the circuit

breaker is in the OFF position you can reset it to the ON position to

2 = Positive

3 = Negative

1 = Ground

Male

Cable End

WARNING

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 31 32

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Lexicon RX-7 User Manual Page 17

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