Proel M822USB - Manual (Page 17)

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22. PEAK detector
If the peak LED fl ashes this means that the signal is too high, near to the clipping of the eff ect input stage. In this case,
reduce the level of the AUX / FX sends.
23. FX SOLO switch and LED
This switch allows you to hear the signals of FX send (PFL) or FX return (AFL) through your headphones or control room
outputs and to display the level on LED meters.
24. MUTE bu on
Engage this switch if you want to mute the signal from the internal eff ect.
NOTE: the eff ect can be turned on/off also by means of a footswitch connected to the FX MUTE jack socket.
25. FX LEVEL control
It adjusts the level of the internal eff ect signal sent to the MAIN MIX outputs.
26. FX TAP jack input
¼” (6.3mm) unbalanced (TS) jack for temporary, normally open footswitch (not supplied - suggested footswitch is the
PROEL model GF29). When “TAP DELAY” eff ects (p 9, 10, 15) are selected, by pressing at least two mes the footswitch
it’s possible to set the desired delay me, according to music rhythm.
27. FX MUTE jack input
You can connect a footswitch to MUTE the mixer internal eff ect (suggested footswitch is PROEL model GF29).
28. FX TO AUX1 level control
It adjusts the level of the internal eff ect signal sent to the AUX 1 output.
29. AUX RET 1 jack input
Unbalanced jack connectors of the auxiliary stereo input (note: the L input can be used as MONO if R input is le
unconnected). This input can be used for the return signal from outboard eff ects or for connec ng any instrument or
equipment with a line output.
30. AUX RET 1 level control
It adjusts the level of the AUX RET 1 inputs and send it to the MAIN MIX and to the CTRL ROOM/PHONES outputs on
master sec on.
31. TO AUX 1 SEND level control
It adjusts the level of the AUX RET 1 inputs and send it to the AUX 1 output.
32. AUX RET 2 jack input
Unbalanced jack connectors of the auxiliary stereo input (note: the L input can be used as MONO if R input is le
unconnected). This input can be used for the return signal from outboard eff ects or for connec ng any instrument or
equipment with a line output.
33. AUX RET 2 level control
It adjusts the level of the AUX RET 1 inputs and send it to the MAIN MIX and to the CTRL ROOM/PHONES outputs on
master sec on.
34. AUX SEND 1 jack output
This jack connector sends out unbalanced line-level signals made of the sum of the input channel’s AUX 1 sends, usually
for connec ng to the inputs of an external eff ect devices or stage monitor amplifi ers.
35. AUX SEND 2 jack output
This jack connector sends out unbalanced line-level signals made of the sum of the input channel’s AUX 2 sends, usually
for connec ng to the inputs of an external eff ect devices or stage monitor amplifi ers. This signal is post-fader, or in other
words it depends on the posi on of the channel’s FADER.
36. 2TRK inputs
Use these unbalanced RCA connectors to patch the output of a player, such as an analog tape deck, MP3 player, CD/DVD
player or a Personal Computer.
37. USB/2TRK IN level control
It adjusts the level of the 2TRK INPUT and USB input (audio signal from PC).
38. MIX - CH7/8 switch
This switch routes the 2TRK IN or USB input signal directly to MAIN MIX outputs or to the channel 7/8. Rou ng the signal
to channel 7/8, you can use all features of the stereo channel before sending the signal to the MAIN MIX: equaliza on,
aux sends and the internal eff ect processor.
39. 2TRK outputs
Use these unbalanced RCA connectors to send out the MAIN MIX or AUX 1/2 signals to a recorder, such as an analog