Page 1.15
Chapter 1
Operating Elements
SCHILLER AT-2 6-Channel ECG Unit
SERVICE HANDBOOK Issue 2.1 November 1998
Settings (cont.)
Myogram Filter
The Myogram filter suppresses disturbances caused by strong muscle tremor. The set value
will be the new upper limit of the frequency range as soon as the FILTER key is pressed on or
programmed as default when the unit is switched on. When the Myogram filter is on, the value,
i.e. 35 Hz is displayed on the bottom line of the printout.
Confirm the selection by pressing the STOP key
STOP
The myogram filter is switched on and off manually with the FILTER KEY
Note: An ECG recorded in auto mode is stored unfiltered. It is therefore possible to print the
stored ECG either with or without passing the myogram filter. Filter ON is indicated
in the bottom information line of the printout. When the FILTER key is pressed again,
the filter is switched off and the `35 Hz` indication on the bottom information line of
the printout is removed. The cutoff frequency of the myogram filter is set to either 25
or 35 Hz.
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