GE MAC 1200, Operator'S Manual

Page: 129 / 200

Revision C MAC 1200/1200 ST 10-5
2012250-021
System Setup: Automatic Mode
Continuous Rhythm
[yes]: In 6_F1 reports, the first 6 leads represent the first half of the 10-
second signal acquisition period, while the second set of 6 leads
represent the 2nd half of the acquisition period.
no: The second set of 6 leads also represents the first half of the
acquisition period.
The same is true for the report format 3_F1.
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When you select Continuous rhythm = yes, the letter R will be
appended to the report name. Report formats 6_F1, 3_F1,
4x2.5R3, 6_F2, H2 become 6_F1_R, 3_F1_R, 4x2.5R3_R, 6_F2_R,
H2_R.
Muscle Filter/AC Filter
Elimination of muscle artifact and AC line interference.
„ Muscle filter: [no],
„
AC line filter: [yes]
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Filters may suppress diagnostically relevant portions of the signal,
because they limit the transmission range. Therefore, only enable
filters if necessary.
Muscle Filter Frequency
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).