SY Electronics 2A-100W, Руководство пользователя

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Front Panel Operation
To use the front panel controls the LOOP output switch must be set to OFF. When the
LOOP output is ON, then the MUSIC level is fixed to 100%, the MIC input is muted and
the front panel controls are locked out.
Input Selection
The INPUT SEL button selects between the analogue Line In connector and the digital
Optical input.
Mic Mute
Press to mute or unmute the Mic input. The current mute status is shown on the display.
Line Mute
Press to mute or unmute the Line input. The current mute status is shown on the display.
Volume Control
The volume control is used to change the volume for either the Line input or the Mic input
separately as well as muting or unmuting both the Mic and Line inputs at the same time.

To change the Line input level, the MIC input must be muted.

To change the Mic input level, the MIC input must not be muted.

When both Mic and Line are unmuted, then only Mic level control is operational.

Press the volume knob to mute / unmute the output. Rotating volume knob
automatically unmutes the output.
Note: The mute state previously set by the input mute buttons is not altered
when pressing the volume control.
Display Panel
The display panel provides the following information:

The selected audio input: LIN or OPT .

The mute status of the Mic and Line inputs. The mute state is indicated by the
word
MUT on the respective input display line.

The volume level of the Mic and Line inputs, each shown as a percentage of
the full output volume level, or
MUT when set to 0% level.
Special Messages on the Display
PROTECT
This message will appear when the amplifier has detected a problem and had to shut
down to protect itself from damage. When this happens do the following:
1.
Switch off the amplifier.
2.
Check that ALL the switch settings on the rear panel are correct.
3.
Check that the input signal levels are within specification.
4.
Check that output speaker wiring and loads are correct and to specification.
5.
Only turn on the amplifier when all the above checks have been confirmed as
correct.