Nexo NXAMP4X1 Service Manual

NXAMP4x1
57
00 CHOOSE TEST < >
15 ANALOG
Press the [B] button to enter the analog test mode. The
following display appears.
15 ANALOG
ANALOG TEST OK ?
Perform the test according to the “Inspection with analog
test mode”. (See page 61, 62).
Press the [B] button. The following display appears.
15 ANALOG
MUTE TEST OK ?
If OK, press the [B] button to return the display to the test
menu screen.
4-16. BRIDGE test
00 CHOOSE TEST < >
16 BRIDGE
Press the [B] button to enter the bridge test mode. The
following display appears.
16 BRIDGE
ANALOG TEST OK ?
Perform the test according to the “Inspection with BRIDGE
mode”. (See page 63).
If OK, press the [B] button to return the display to the test
menu screen.
4-17. CALIBRATION
00 CHOOSE TEST < >
17 CALIBRATION
Press the [B] button to start the calibration. The following
display appears.
17 CALIBRATION
CH1 INPUT SIGNAL OK ?
Input the 1 kHz, +10 dBu sine wave to the channel 1 in-
put terminal, and press the [B] button. The analog input
level is automatically calibrated, and the following dis-
play appears.
17 CALIBRATION
CH2 INPUT SIGNAL OK ?
Input the 1 kHz, +10 dBu sine wave to the channel 2 in-
put terminal, and press the [B] button. The analog input
level is automatically calibrated, and the following dis-
play appears.
17 CALIBRATION
CH3 INPUT SIGNAL OK ?
Input the 1 kHz, +10 dBu sine wave to the channel 3 in-
put terminal, and press the [B] button. The analog input
level is automatically calibrated, and the following dis-
play appears.
17 CALIBRATION
CH4 INPUT SIGNAL OK ?
Input the 1 kHz, +10 dBu sine wave to the channel 4 in-
put terminal, and press the [B] button. The analog input
level is automatically calibrated, and the following dis-
play appears.
17 CALIBRATION
CH1 SET TO 39.1 dBu ?
Input the 1 kHz, +10 dBu sine wave to the channel 1 in-
put terminal.
Adjust the ENCODER so that the output voltage obtained
at the channel 1 output terminal is +39.1 dBu, and press
the [B] button.
The analog output level is automatically calibrated, and
the following display appears.
17 CALIBRATION
CH2 SET TO 39.1 dBu ?
Input the 1 kHz, +10 dBu sine wave to the channel 2 in-
put terminal.
Adjust the ENCODER so that the output voltage obtained
at the channel 2 output terminal is +39.1 dBu, and press
the [B] button.
The analog output level is automatically calibrated, and
the following display appears.
17 CALIBRATION
CH3 SET TO 39.1 dBu ?
Input the 1 kHz, +10 dBu sine wave to the channel 3 in-
put terminal.
Adjust the ENCODER so that the output voltage obtained
at the channel 3 output terminal is +39.1 dBu, and press
the [B] button.
The analog output level is automatically calibrated, and
the following display appears.
17 CALIBRATION
CH4 SET TO 39.1 dBu ?
4-15. ANALOG test

Nexo NXAMP4X1 Specifications

General

Brand	Nexo
Model	NXAMP4X1
Category	Controller
Language	English