Allen&Heath GL3800 - Manual (Page 37)

GL3800 User Guide 37
User Options
The GL3800 has a versatile architecture which should satisfy most
applications you may encounter without modification. However, the following
internal options provide alternative settings for those applications that may
demand them. Access is required to the internal assemblies. For user
convenience, pluggable jumper links are used in most places.
Do not adjust the user options while power is applied to the console.
Do not remove or tamper with the internal power unit, its cover or wiring.
Remove the base Switch off power and unplug the power unit and all the
cables. Invert the console on a flat, clean, well lit surface. Use Torx (star head)
screwdrivers to remove the screws holding the base to the chassis. Carefully lift
off the base.
Configure the internal options Fit any options required referring to the
instructions provided. Set the option jumpers to the required positions. Make
sure they are pressed fully home. Check that all channels are correctly set and
all options fitted according to their instructions. Make sure that no debris or parts
are left loose inside the console.
Refit the base Carefully reposition the base. Refit the fixing screws.
IMPORTANT: Check carefully that all channel jumpers are correctly set
as required. Errors on one or more channels now may cause user problems
later. We recommend that you write the repositioned jumper settings on a label
and adhere this to the rear panel. This would provide a helpful reference to other
users of the console.
MONO INPUT STEREO INPUT
U5
R102
R103
R5
1 U5 R5
2
R5
2
R5
1
R8
3
R8
2
U5
U9
R170
R169 R168
R167
U1
5
U1
4
JP
2 JP1 OF
F ON +4
8V
GROUP 1&3
GROUP 2&4
GROUP / MTX
MASTER L
AUX 10
BALANCE
AUX 9
BALANCE
AUX 2/4
BALANCE
AUX 1/3
BALANCE
MATRIX 1-4
BALANCE
AUX 5-8
BALANCE
TB MIC
+48V
AUX 1-2/9-10
PRE/POST FADER
AUX 1-2
PRE/POST FADER
AUX 1-2
PRE/POST FADER
DIRECT OUT
PRE/POST FADER