Operating Instructions MA 53
Geba_MA53_e_13a.doc
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To cancel the conditioning and the SISI test and to return to standard
operation press the SWAP key
.
After 20 increments the SISI test is finished. The text SISI Result with the result
in percentage is shown.
You can stop the SISI test with the PULSE key
. The text SISI aborted and the
actual result in percentage is shown.
Press the PULSE key
to quit the SISI test.
6.8.2 Decay test (Carhart)
If the patient presses the patient response switch longer than 3 seconds, in
the lower area of the display
a decay bar appears and shows the counted
time until the patient releases the patient response switch.
To clear the display
and reset the decay function press one of the STIM
bars
or
↔.
6.9 Swap function
Press the SWAP key
to exchange the left and right channel. The big letters
R
and
L
will be swapped in the display
and the light above the SWAP key
is on.
Press the SWAP key
again to deactivate swapping.
6.10 Tracking function
Press the TRACK key
to activate tracking. Both the left and right sides of
the display
will say TRACKED, meaning that both channels are tracking
each other. If NOISE is selected on one channel, the text TRACKED is erased,
because a noise channel is not allowed to track a signal channel.
Press the TRACK key
again to deactivate tracking.
6.11 STIM Mode selection
Press STIM MODE
key to switch between continuous presentation and
presentation by pressing the STIM bar
or
↔. When in continuous
presentation mode the STIM bars
and
↔ function as interrupters. The light
above the STIM MODE key
is on if continuous presentation is selected.
Speech and noise are always in continuous presentation, except when both
channels are selected as noise.
Press the STIM MODE key
again to deactivate continuous presentation.
Содержание MA 53
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