User manual

5
3. Controls and connections
Rear (from left to right)
1
gnd lift Signal ground/protective ground
disconnecting switch
to avoid hum loops
2
input Signal input, combi socket, for
6.3 mm mono jack plugs and
XLR connector (female)
2a
link Signal link,
symmetrical, XLR-socket
(to connect any other unit)
2b
clip Overload indicator
2c
level (gain) Level control to
adjust the gain level
3
crossover Adjustable low-pass-lter
(100 - 300 Hz)
4
notch Switch to turn the notch-lter
o/on
5
notch freq. Range from 50-300 Hz.
Notch lter subjects frequencies
of a certain frequency-range (here
50 and 300Hz) to severe reduction
(-14 dB) in a very narrow bandwidth
(quality 2). This helps to reduce
feedback and other annoying
resonances.
6
phase Switch to invert the phase
norm. (normal)
inv (inverted)
power section
7
power on/o-status indicator
8a
combi-SUB 12:
power on/o switch with mains
socket and fuse holder
8b
combi-SUB 15:
powercon mains in/out ,
power on/o switch and fuse holder
(ref. to technical data: mains fuse)
combi-SUB 15
combi-SUB 12
2
1
2a
2b
3
4
5
2c
6
8b
8a
mains in power on
fuse
mains out
7