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No. Buttons/Indicators Description
1
Microphone bracket The microphone bracket is used for the PTT microphone.
2
Emergency button
Microphone socket
3
and indicator light
Device status
4
indicator lights
5
VU meter
6
LCD display screen
Wheel knob of
7
master volume
8
Wheel knob of menu
9
Function buttons
Zone buttons &
10
status indicators
Audio source button
11
& status indicator
light
A protective cover is fitted over the emergency button to prevent
accidental operation.
If switching to manual emergency mode, raise the protective cover,
then press the button. The indicator light turns red.
Used to connect microphone to MCU.
The indicator light is off when in standby mode. When a microphone
is being used, the light turns green. If a microphone experiences a
fault, the light turns yellow.
To indicate the status of device power, general faults, CPU fault,
ground fault, forbidden etc.
POWER indicates the power supply status. This light is
green when the device is powered on.
GENERAL FAULT indicates the whole system's fault
status. When the system detects any fault, the indicator
turns yellow. When a new fault occurs and without
confirmation, the light turns yellow and flickers.
CPU indicates the CPU fault status of MCU. The indicator
turns yellow in case of CPU failure.
EARTH indicates the earth fault status of the MCU speaker
lines. It turns yellow when an earth fault is found, and the
fault point can be checked in the menu.
DISABLED indicates the disabled status. It turns yellow
when a loudspeaker line is automatically disabled due to a
short circuit, and details can be checked in menu.
To indicate the signal level of internal power amplifier.
To display the system work status and set the parameters.
To adjust the output volume of audio channel 1 in public address.
To operate the menu, including left rotation, right rotation and click
operation.
There are also some function buttons:
ALL is used to select all zones in the system, the indicator
turns green and flickers when all zones are selected.
CLOSE is used to forcibly close the selected zones.
MONITOR is used to switch to monitor channel (CH1, CH2
or close).
TEST is used to enable the self-test function.
RECORD is used for temporary record.
RESET is used to reset all the fault status.
ACK is used to confirm the new fault status.
HOME is used to return to standby mode by one-click.
8 zones/groups buttons with status indicator lights, which can be
configured.
8 audio source selection buttons with status indicator lights, which
can be configured.
7
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