LA4X
Amplified Controller
user manual
VERSION 4.0
LA4X_UM_EN_4.0
w w w . l - a c o u s t i c s . c o m
24
4.3
User interface
4.3.1
Quick access
The LA4X offers quick access functions for control (
front panel locking
,
mute
and
gain
),
identification
and
monitoring (display of the
input level
,
input selection
,
input mode
and
group
information).
Lock/Unlock control
To lock the front panel (even the mute function) and prevent unintentional operation, press and hold the ESC and
OK keys simultaneously until
Display Locked
is displayed on the LCD screen (see Figure 17).
To unlock, press and hold the ESC and OK keys simultaneously until
Display Unlocked
is displayed on the LCD
screen.
Figure 17: Locking the front panel
Mute control
Tap one of the four output keys holding it less than 0.3 sec to mute or unmute the corresponding output channel.
The
MUTE OUT page
is displayed for 2 seconds (see Figure 18).
The output LED is lit when the corresponding output channel is muted and not lit when unmuted.
The quick access
mute
control is available at all times and positions in the menu tree.
Outputs are muted by default in all factory presets.
The
gain
can be set before unmuting.
Figure 18: Unmuting OUT 1
