Schiller CARDIOVIT AT-2, Service Handbook

Page: 19 / 109

Page 1.9
Chapter 1
Operating Elements
SCHILLER AT-2 6-Channel ECG Unit
SERVICE HANDBOOK Issue 2.1 November 1998
Manual Mode
Manual mode provides a direct printout of the real-time ECG with full control of parameter
selection.
To start the manual recording of a real-time ECG, press the MANUAL Printout key
To stop the manual recording (printout) press the STOP key
The printout provides you with the following:
• Six (selected) leads with lead identification.
• On the lower edge, the chart speed, time and date, user identification and filter settings (if
on).
• At the top, the heart rate as current average of 4 beats, trace sensitivity.
The following can be freely chosen during or before the recording:
Lead Group by means of the LEAD FORWARD
and LEAD BACKWARD key
The following lead groups are selectable:
• I, II, III aVR, aVL, aVF
(Cabrera: aVL, I, -aVR / II, aVF, III)
• V1, V2, V3 / V4, V5, V6
• II, aVF, III / V2, V4, V5
• V4, V5, V6 / V7, V8, V9
Chart Speed Select speed 5, 25 or 50mm/s by means of the SPEED keys:
Sensitivity Select 5, 10 or 20 mm/mV by means of the SENSITIVITY keys:
Myogram Filter Switch the filter ON or OFF with the FILTER key:
25 Hz or 35 Hz is displayed on the bottom line of the printout when
the filter is switched on.
Recentering To re-centre the ECG traces, press the 1mV key