AT-GAIN-120
19
LED Indicators
PWR
VOL LEVEL
AUDIO AMPLIFIER
FW
SIGNAL
ANALOG IN
NET AUDIO
DEVICE ID
GAIN
TM
LAN
RESET RESET
LINE OUT
CLASS 2 WIRING
CLASS 2 WIRING
TRIGGER
MODE
MODEL:
dB
-22
-2
-4
-20
-19
-14
-9
-22
-2
-4
-20
-19
-14
-9
dB
ANALOG IN
L
4 / 8 Ω OUT
70V / 100V OUT
AT-GAIN-120
PWR: 100-120VAC 60Hz 120W
220-240VAC 50Hz 120W
L
R
L
R
IP
4Ω
8Ω
100V
70V
R
INPUT GAIN
L
R
The LED indicators on the front panel, provide information on the current state of the AT-GAIN-120. Refer to the table
below for more information.
LED Indicator
State
Description
PWR
Solid green
Off
Rapid flashing green
Unit is powered.
Unit is not powered.
•
Check the power cable between the AT-
GAIN-120 and the electrical outlet.
• Make sure that the electrical outlet is live.
Firmware update is in progress. Refer to
Updating
the Firmware (page 34)
for more information.
SIGNAL
Solid green
An active signal is present on the selected input.
DEVICE ID
Off
Flashing green
Unit is not in device ID mode.
Unit is in “blink” mode. This LED indicator will flash
once each second, and can be used to help physi
-
cally identify the unit in a rack shelf.
ANALOG IN
Solid green
Off
The
ANALOG IN
port is the active input.
The
ANALOG IN
port is not the active input.
NET AUDIO
Solid green
Off
The
INPUT
port on the network card is the active
input. This LED indicator is only functional when the
optional AT-GAIN-NET card is installed. Note that
this LED indicator does not indicate the presence of
an audio signal.
The
INPUT
port is not the active input.
VOL LEVEL
Solid green
Solid amber
Solid red
Acceptable range for output volume.
Output volume level is approaching audio clipping.
Audio clipping.
Basic Operation
