GE MAC 1200 Operator's Manual page 93

Revision C
Arrhythmia Mode Recording: Recording
The locations of all relevant device settings are shown below:
Operating mode Muscle filter
2
Report function
Failure message
1. if enabled
2. or REC OFF when the recording function is disabled
3. if any
Refer to Table 3, "Arrhythmia Codes,"
the arrhythmia codes annotated on the recording.
The heart rate limit is automatically calculated from the date of birth
(WHO 100% = 220 - age). When the date of birth is not entered, the unit
will set the limit at 180 bpm. This value can be changed with
(in steps of 5 bpm).
127(
The letter A on a recording indicates the presence of artifact which
does not allow the algorithm to identify arrhythmias. Causes include
wandering baselines. The anti-drift system largely prevents these
disturbances. Check the electrodes and leadwires.
MAC 1200/1200 ST
2012250-021
1 1
AC line filter Anti-drift system
Gain
Three leads
display here
3
on page 7-9 for an explanation of
1
"Patient Name"
Report sequence
Heart rate
and
7-7