Samson L2400 User Manual

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Controls and Functions
42 - PHONES – control knob 
This control adjusts the overall level of the 
Headphone Output.
43 – PFL DEFEAT – switch 
You can defeat all the channels in PFL by using the 
PFL DEFEAT switch. When the switch is pressed 
down it will illuminate, indicating the PFL and AFL 
are temporarily turned off. At that point you will 
hear the MAIN mix in the headphones until the PFL 
DEFEAT is turned off and you will now hear the SOLO 
bus again in the headphones. 
USB I/O Section
The L series consoles incorporate a sophisticated 
USB I/O with on board AD and DA converters 
providing a digital audio path for connecting to a 
PC running most any recording and/or playback 
software. The INPUT and ASSIGN switch give you 
added flexibility in routing the digital audio signal to 
and from the PC.
44 – SEND – USB input send switch
The USB INPUT switch allows you to select one of 
two stereo (or two channel) signal paths to feed the 
USB output to send to the connected PC. When the 
INPUT switch is in the up position, the USB signal will 
feed from the MAIN left right mix. When the INPUT 
switch is in the down position, the USB signal will 
feed from the AUX 1 and AUX 2 buses which enables 
you to create a unique mix to send to the PC.
45 – RETURN – USB return switch
The USB RETURN switch allows you to select one of 
two stereo return paths to receive USB audio from 
the connected PC. When the ASSIGN switch is in the 
up position, the USB signal will return to the MAIN 
mix bus. When the ASSIGN switch is in the down 
position, the USB signal will return to the last pair 
of stereo channels which enables you to playback a 
recorded 
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track in the MAIN mix, and you can use the channels 
AUX sends to feed any of the AUX buses. This will 
let you hear the USB playback tracks in the monitor 
mixes.
46 – MONITOR – USB headphone enable switch
Press the USB MONITOR switch down if you want 
to hear the signal from the USB return in the 
headphones.
Meter Section
47 - CLIP LEDs
The left and right CLIP LED’s illuminate when the 
signal from the selected bus is beginning to reach 
a level where distortion occurs. If the CLIP lights 
stay on, your mix is too hot and you need to lower 
the level control. It is okay for the PEAK light to 
occasionally light, however they should go off 
quickly and not stay on.
48 - LED VU METER 
The OUTPUT LEVEL METER allows you to monitor 
the level of the signal, which is being sent to the 
MIX OUT jacks. Depending on the position of the 
Meter select switch, the meters will display the MAIN 
MIX with PFL and AFL, or display the level from the 
GROUP 1–4 outputs.
49 - PFL/AFL LED - indicator 
The LED will illuminate whenever any PFL or AFL 
switch is pressed.
50 – Meter select switch
The Meter select switch allows you to configure the 
Meters for MAIN MIX with PFL and AFL, or to display 
the level from the GROUP 1–4 outputs. When the 
METER select switch is up, the MAIN MIX, PFL and 
AFL are displayed. When the METER select switch is 
down, the GROUP output are displayed. 
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