MAC ® 1200 Operations Manual - Jaken Medical...

Technical Specifications
13 Technical Specifications
Recording
Direct recording of waveforms and alphanumeric
characters with rectangular coordinates by means
of thermal-array printhead printing on thermosensitive
paper.
• 3 or 6 recording channels, or 12 in 12 Lead
Mode, overlapping
• baseline pitch
6 channels: 31 mm (6 Lead)
12 channels: 16 mm (12 Lead.)
• writing width 200 mm max.
• annotation of recorder settings, date, time and
entered patient name in the margin of the recording
strip
• with appropriate software, documentation of
analysis results in the respective operating
mode
• resolution of the recording:
vertical 8 dots/mm
horizontal 25 µm at 25 mm/s
Printer paper
CONTRAST® Z-fold pad , 150 pages per pad,
equivalent to a chart length of approx. 45 m
paper width:
sheet length:
8.5 in.
11 in.
To prevent damage to the printhead use only the
original CONTRAST® paper or the GE Medical
Systems Information Technologies thermal paper
with queue holes or marks.
Paper feed
• paper speed
5-25-50 mm/s, key selectable
error limits at 25 and 50 mm/s, typ. ±l%
at 5 mm/s, ±10% max.
• 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
They assist and facilitate operation by
• 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)
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