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5 Operation Instructions
This chapter mainly introduces system operations and function operations.
Indication & Operation Components
RK-MCU Master Control Unit
Indicators
Indicator
POWER
GENERAL
FAULT
CPU
EARTH
DISABLED
MIC
Level Meter
EMERGENCY Red
ALL
Zone Indicator
Audio Source
Indicator
Color Status
Description
ON
Power on
Green
Flashing
The device is working in power-saving mode.
OFF
The system is normal.
Yellow
Flashing
A new fault is detected.
ON
A fault exists in the system and has been confirmed.
OFF
CPU works normally.
Yellow
ON
The CPU of the MCU has an error or stops working.
OFF
No earth fault is detected.
Yellow
ON
An earth fault is detected in the speaker lines.
OFF
No loudspeaker line is disabled.
Yellow
Loudspeaker line is automatically disabled due to short
ON
circuit.
OFF
The PTT Microphone is normal and not currently working.
Green ON
Paging by PTT microphone.
Yellow ON
Failure of the PTT microphone is detected.
OFF
Built-in power amplifier has no signal input.
Green
Built-in power amplifier is working.
Red
Clip, audio signal level is higher than the maximum level.
OFF
System is working in normal mode.
The system is activated by a fire alarm signal and working in
Flashing
automatic emergency mode.
ON
The system is working in manual emergency mode.
OFF
Function is disabled.
Green
Flashing
Select all speaker lines by pressing the All button.
OFF
The speaker lines are idle.
Flashing
The corresponding group is already selected.
Green
Normal mode: the group is broadcasting.
ON
Auto. emergency mode: playing alert message in the group.
Operate live broadcast or broadcast voice messages in the
Red
ON
group.
Yellow ON
Open circuit or short circuit fault is detected in the group.
OFF
The task has not started.
Green
Flashing
Pre-listening, reserved and unavailable.
ON
The task is being played in normal mode.
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