Table of Contents
Advertisement
Button/Indicator
No.
Light
Device status
1
indicator lights
2
VU meter
Rear Panel
No.
Buttons/Indicators
1
Cooling fan
Audio input & fault
interface
2
3
PA interface
Work mode setting
4
switch
5
DA output interface
6
Main power & fuse
7
Power switch
8
Backup power input
9
Grounding screw
Description
To indicate the status of power supply, main power fault, backup
power fault and protection.
POWER indicates the power supply status; the light is green
when the DA is powered on.
MAINS indicate the main power supply fault status. If main
power supply fails, the light turns yellow.
BACKUP indicates the backup power supply fault status. If
the backup power supply fails, the light turns yellow.
PROTECTION indicates the DA protection status. If the
output is switched off due to overload, short-circuit or
overheating, the light turns yellow.
To indicate the DA input signal level. The top red indicator shows the
input signal is too high.
Description
FAULT indicates when the DA experiences a fault, it is disabled
and sends a fault output via dry contact.
LINE IN indicates the balanced input interface, for the input of
an external audio source.
BOOSTER INPUT indicates the 100 V audio input, capable to
connect to other DA output.
To connect to the RK-MCU or zone expanders to receive audio
and control signal.
To set the DA function, such as main power fault detection,
backup power fault detection and power saving function.
To output the amplified 70V/100V audio signal.
To connect to the AC power supply. A fuse must be installed in
the socket for over current protection.
To turn on or turn off AC power.
To connect to 24V DC backup power supply.
To connect to grounding wire.
15
Advertisement
Table of Contents
