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CONNECTIONS AND CONTROLS
2.2 REAR PANEL
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11 Mains socket
The enclosed Euro mains cable is connected hereto put
the Fx 70 into operation. The Fx 70 is equipped to deal
with mains voltages between 90 V and 250 V and is thus
not affected in any way by disturbances caused by
fluctuating mains voltages.
12 Ground lift switch
This serves to prevent hum loops. If the Fx 70 is operated
in a 19" rack together with other appliances, the switch
should be set at GROUNDED. If the Fx 70 is operated
together with other equipment with differing earthing
potential, the switch should be set at UNGROUNDED.
13 Remote Socket ROTOR CONTROL
A foot switch FS 223 (optional accessory) can be co-
nected here to switch over the rotor speeds in three steps
(from Stop, Slow and Fast).
14 Remote Socket EFFECT ON/OFF
A foot switch FS 12 (optional accessory) can be con¬
nected to this socket to switch over between the original
signal (Input > Output) and effect signal (Input > Effect>
Output).
15 MIDI sockets (IN/OUT/THRU)
The output of a MIDI unit (keyboard, computer) can be
connected to the MIDI IN socket, thus enabling remote
control of all functions (keys, parameters...). Up to 38
parameters can be changed via MIDI IN (Sysex).
The input of a MIDI unit can be connected to the MIDI
OUT socket. All settings and activities (keys, parame¬
ters ...) are issued at this socket and can be evaluated
to control the Fx 70. (Sysex).
All data received via MIDI are transmitted in an unchan¬
ged format at the MIDI THRU socket.
Please turn to chapter 7 for further details.
16 Sockets OUTPUT LEFT/RIGHT
These are the Fx 70's stereo outputs. The output level
can be altered via the output control (2). If only one of
the sockets is used, a MONO sum is obtained from the
left and the right output.
The optimum room sound simulation of an organ cabinet
can only be achieved if both outputs (stereo) are used.
17 Sockets INPUT/LEFT/RIGHT and selector
switch Hl/LO.
These are the Fx 70's stereo inputs. The selector switch
is used to switch between the LO input (+0dBm) and the
HI input (- 20dBm). To feed in a MONO signal it is
sufficient to connect only one of the two input sockets.
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