3. FRONT PANEL
1. POWER switch.
Used to power ON/OFF the unit.
2. POWER LED indicator.
It lights blue if AC is available and power is ON.
3. OUTPUT LED indicator.
It lights green when there is audio at the output.
4. INPUT LED indicator.
It lights green when there is audio at the input.
5. CLIP LED indicator.
It lights red when the input or the output level is too high.
6. STANDBY/PROT LED indicator.
It lights in orange once the amplifier comes into protection status. The protection may be due
to Line short‐circuit, overload or internal temperature over 55ºC. It also lights if Auto‐Standby
mode is actived and the amplifier is idle.
DA-240M4 Version 1.0
DA-240M4
Class‐D amplifier
Page 4 of 9