GE Marquette MAC 1200 Operator's Manual page 27

Please note that filters may suppress diagnostically
relevant portions of the signal. Filters should
therefore only be enabled if necessary.
a b
1 2 L e a d 4 0 H z 6 0 H z A D S
4 x 2 . 5 R 1 1 0 m m / m V
f g
aVR
aVL
aVF
Figure 5-1. 12 Lead mode display
a Operating mode
b Muscle filter enabled
c AC line filter enabled
d Anti-drift system enabled
e Patient name
f Report format or "REC OFF" when no
recordings are made
g Gain 10 mm/mV
(automatic gain adjustment off)
h Report sequence
i Right leg electrode failure message
j Heart rate
227 492 04-C
Recording in 12 Lead Mode
Tip
c d e
" P a t i e n t N a m e "
S t a n d a r d
h
i j
* R L * H R 1 2 0
With the system defaults unchanged, the unit will
activate the following functions and settings after
power-up:
− the 12 Lead Mode (configurable)
− the standard report sequence: I, II, III, aVR, aVL,
aVF, VI, V2, V3, V4, V5, V6
− rhythm leads II, V1 and V5 (configurable)
− a gain of 10 mm/mV (configurable) (calibration
pulse at the beginning of the recording
− the AC line filter is on (configurable)
− the muscle filter is off (
− the anti-drift system (cubic spline) is enabled
(wandering baselines are automatically restored
to their original position)
− the report format is "4x2.5R1", i.e. 12 leads and
all data are printed on one page (configurable)
− the "Detailed results" page (including the median
complexes and the ST measurement results) is
not printed (configurable)
− pressing
(configurable)
− units with MEMO option: all documented ECGs
are automatically saved (configurable)
− units with MEMO option: after transfer to a
HOST system via the RS232 interface, the ECGs
are automatically removed from the MAC 1200
memory (configurable)
− the "Override Function" is enabled (configurable)
− QTC is calculated with the Bazett formula (only
with option MEAS (measurement) or DIAG
(interpretation))
All relevant device settings are shown on the display
(Figure 5-1).
The display shows 3 leads at a time. With
can successively display all leads of the report
sequence in groups of 3.
− The recording can be stopped with
− For a description of the different reports, refer to
section 5.4 "The Report Formats".
MAC® 1200
muscle
) (configurable)
filter
copy
will print one copy of the ECG
lead
you
.
27