Alto APM80.1000 User Manual download pdf (Page 10)

MASTER SECTION INPUT and OUTPUT Jacks

500W 2

1000W 1

500W 1(R)

500W 1(L)

1000W 1(MONO)

AMPLIFIER

MODE

PHANTOM

48V

OFF ON

AUX2

OUT

STEREO

RTN

TAPE TO

CH9-10 MAIN

MAIN OUTMONITOR

OUT

HEADPHONE

OUT

TAPE IN TAPE OUT

LEFT RIGHT

This switch provides three modes: MAIN/MAIN, MAIN/MONITOR and BRIDGE.

Select any one of these modes to route the signals to the corresponding jacks

according to the speaker connection at speaker jacks on the rear panel. You

will find more details about the Amplifier Mode switch later on in this Manual.

20 AMPLIFIER MODE Switch

Activating this switch you will apply +48V phantom power only to the 8 XLR

microphone inputs and only to the XLR MIC sockets. Never plug in a microphone

when phantom power is already on. Before turning phantom power on, make

sure that all faders are all the way down. In this way you will protect your stage

monitors and main loudspeakers.

19 PHANTOM +48V Switch

The LED indicates when the power

is switched on in your APM80.QUAD.

18 OPERATING LED Display

This LED display will show you the Main Mix output level. Make sure that the

+10 LED only lights up occasionally. The optimal level is when the -10 and 0 LED

light up. If only the -30 LED lights up or even doesn't come to life your S/N ratio

will be degraded.

17 MAIN MIX LEVEL LED Display

This control is used to adjust the overall volume of the main mix output.

16 MAIN MIX LEVEL Control

This control is used to adjust the level of the monitor output.

15 MONITOR LEVEL Control

3. CONTROL ELEMENTS

SPOTLIGHT

4. CONTROL ELEMENTS

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 21 22

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Alto APM80.1000 User Manual Page 10

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