GE MAC 1200 Operator's Manual

Revision C MAC 1200/1200 ST 7-5
2012250-021
Arrhythmia Mode Recording: Recording
Recording
1. After switching on the unit, press to select the Arrhythmia
mode.
When working with the MAC 1200 ST equipped with the Stress Test
option ERGO, you must press the button twice.
2. Before recording the ECG, patient data can be entered ( ). It is
recommended that you enter the patient’s name to annotate it on
every report.
Before initiating a recording, check the display for error messages.
Check all electrodes; if the message persists, there must be a break
in the patient cable. Replace the cable with a new one.
3. Start and stop the recording with the key.
Table 2. Messages Indicating Disconnected Electrodes
Symbol Definition
*R*: Right arm electrode disconnected
*L*: Left arm electrode disconnected
*F*: Left leg electrode disconnected
*C1*: Chest electrode C1 disconnected
*C2*: Chest electrode C2 disconnected
*C3*: Chest electrode C3 disconnected
*C4*: Chest electrode C4 disconnected
*C5*: Chest electrode C5 disconnected
*C6*: Chest electrode C6 disconnected
*NA*: Nehb electrode Nap disconnected
*NT*: Nehb electrode Nst disconnected
*NX*: Nehb electrode Nax disconnected

GE MAC 1200 Specifications

General

ECG Channels	12
Display	LCD
Power Supply	AC or battery
Frequency Response	0.05 to 150 Hz
Memory	Internal storage for ECG data
Device Type	ECG
Printing	Thermal
Filters	AC filter
Connectivity	RS-232, USB
Sampling Rate	1000 samples per second per channel