MAGSTIM NEUROSIGN V4, Service Manual, Page: 14 / 50

The Magstim Company Ltd.©
14
NOP20-EN-03
1.3 Pre-Amplifier
The pre-amplifier collects the EMG signals from the electrodes and amplifies them
for processing and display.
The pre-amplifier is available in a 4-Channel or 8-Channel variant.
21. Mounting Clip
A mounting clip is located on the side of the pod so that it can be attached to the
side rail of the operating table.
22. Electrode Channels 1 - 4.
The corresponding sockets for channel one (blue), channel two (red), channel three
(violet) and channel four (orange).
23. Reference Electrode Channel.
The corresponding sockets for the reference electrode channel (green).
24. Electrode Channels 5 - 8.
The corresponding sockets for channel five (grey), channel six (yellow), channel seven
(brown) and channel eight (cream). These are unique to the 8-Channel pre-amplifier.
25. Stimulator
Pod Socket
26. Pre-Amplifier
Connection Lead
22. Electrode
Channels 1 - 4
24. Electrode
Channels 5 - 8
23. Reference
Electrode
Channel
21. Mounting
Clip
25. Stimulator Pod
Socket.
Plug the stimulator pod
connection lead into here.
26. Pre-Amplifier
Connection Lead.
Connect the other
end of this lead to the
corresponding socket
on the rear of the touch
screen DCU (see page
13).