Marquette Hellige GmbH MAC 1100/1200 V 1.1 Page 36
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3.12 Time constant
By pressing the “9" key, the time constant for the ECG patient input can be selected.
The following menu is displayed
1= 1.02s ( frequency 0,16Hz )
2= 2.04s ( frequency 0.08Hz )
3= 4.08s ( frequency 0,04Hz )
X = End
The currently selected time constant appears in reverse video. Use key 1 ... 3 for
selection.
The factory setting is 2.04s. This should only be changed when deemed really
necessary..
3.13 Setting the device model
The setting of the device model is activated by pressing the “D” key, the following
display image appears:
D e v I c e model
1= INT
2= USA
3= Europe 2
4= ASIA (not available from version V1.1)
5= RUSS
X= End
Warning!
Changing the device model affects the selection of the output formats and
languages available, can switch the program for Interpretation from HEART to 12
SL, or vice versa. Also affected are the default configuration settings, e.g.,
override function yes/no, line filter 50/60 Hz.
The device model configured during manufacture should only be changed when
deemed really necessary.
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