Gain; Speed; Muscle Filter/Ac Filter; Muscle Filter Frequency - GE MAC 1200 Operator's Manual

Gain

Speed

Muscle Filter/AC Filter

Muscle Filter Frequency

Revision C
System Setup: Manual Mode
The cursor will move to the position for entry of the lead in channel 1.
Follow these steps, if you wish to record lead aVR in channel 1, for
instance.
1. Enter AVR and confirm the entry with
The cursor moves to the position for entry of the lead designation.
AVR appears there as well.
2. To enter another designation, you can overwrite the default name (4
characters maximum).
3. Confirm your entry with
etc.
You can write over "SEQ. NO. 4" if you wish to enter another name for
the report sequence.
The unit will automatically determine the appropriate gain setting for
the 6 simultaneous leads ("auto", 5, [10], 20, 40 mm/mV; with "*auto").
Changes the paper speed (Default: [25 mm/s]).
Elimination of muscle artifact and AC line interference.
„
Muscle filter: [no], AC line filter: [yes]
Cut-off frequency of the muscle filter: [40 Hz], 20 Hz.
The frequency range is indicated in the lower margin of the recording
strip.
„
0.08 – 40 Hz (40-Hz muscle filter enabled)
„
0.08 – 20 Hz (20-Hz muscle filter enabled)
„
0.08 – 150 Hz (muscle filter off).
MAC 1200/1200 ST
2012250-021
.
. Repeat the above steps for channel 2,
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