HA4V-R User Manual v.1.0
Pag. 6
2.2 Front panel description
1) Headphones stereo jack connectors
2) “Device ON” LED, powered device.
3) Two-colour LED with indication purpose:
LED
Description
Indicating
off
= input signal not present or too low
green
= input signal present
SIGNAL
red
= input signal too high
PEAK
Yellow
(POWER ON)
= When blinking indicates that the input
channels 2-3-4 are switched on the
channel 1 signal input
CH1 SUM
4) Channels 1-2-3-4 volume adjustment knobs