GE MAC 1200, Service Manual

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9-4 MAC

1200 resting ECG analysis system Revision D

2012250-095
Specifications: Basic Information
Paper Transport
 Paper speed

5-25-50 mm/s, key selectable
Error limits: at 25 and 50 mm/s, typ. ±1%

at 5 mm/s, ±10% maximum
 At paper end, the recorder emits an audio signal and stops recording the last
pages of the pad bear a colored stripe in the lower margin
Membrane Keypad
Pushbuttons with tactile feedback.

Function keys for all routine operations.
 Alphanumeric keyboard for entry of text.
Display
Graphics display with 24 x 40 characters, contrast adjustment.
Resolution of 320 x 240 pixels with display backlighting.
Indicators (LEDs)
For mains power, battery status and start/stop function.
Automatic Functions
Automatic functions assist and facilitate operation by the following.

Automatic control of lead selection, paper feed, calibration (configurable)
 Report formatting (configurable)

Automatic baseline adjustment
 Anti-drift system (cubic spline) compensating for polarization voltage
fluctuations (configurable)