Lead Mode - GE Marquette MAC 1200 Operator's Manual

9.3 6 Lead Mode

• Use the cursor keys to position the bar cursor on
"6 Lead" and confirm the selection with
The setup menu for continuous recording of 6 leads
will appear.
Report sequence
1. [STANDARD] (l, II, III, aVR, aVL, aVF, VI, V2,
V3, V4, V5, V6)
2. CABRERA (aVL, l, -aVR, II, aVF, III, VI, V2,
V3, V4, V5, V6)
3. SEQ. NO. 4 (here, users can define a custom
report sequence):
• Position the cursor on "SEQ. NO. 4".
• Press
setup
.
The display shown in Figure 9-2 will appear.
Figure 9-2. Creating a custom report sequence
• Press
.
The cursor will move to the position for entry of the
lead in channel 1. Follow these steps, if you wish to
record aVR in channel 1, for instance:
• Enter AVR and confirm the entry with
The cursor moves to the position for entry of the
lead designation. AVR appears there as well.
• If you wish to enter another designation, you can
overwrite the default name (4 characters max.).
• Confirm your entry with
above steps for channel 2, etc.
You can write over "SEQ. NO. 4" if you wish to
enter another name for the report sequence.
44
System Setup
.
.
and repeat the
MAC® 1200
Gain
*auto, 5, [10], 20, 40 mm/mV; with "*auto", the unit
will automatically determine the appropriate gain
setting for the 6 simultaneous leads.
Speed
Changes the writer speed. Default: [25 mm/s]
Muscle filter/AC line filter
Elimination of muscle artifact and AC line
interference
Default: muscle filter [No], AC line filter [Yes]
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).
Anti-drift system (ADS) (cubic spline)
In case of wandering baselines, the anti-drift system
restores the baseline to its original position (signal
delay with ADS approx. 2 s). Default: [No]
Start at queue mark
Before each recording, the recorder advances the
paper to the beginning of a new page (yes, [no]).
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