7-4 MAC 1200 resting ECG analysis system Revision D
2012250-095
Service and Maintenance: Technical Inspections/Preventative Maintenance
Visual Check
Device and accessories should be checked for the following:
Fuse cartridges comply with vendor's specifications.
Labels and inscriptions on the device relating to safety are clearly legible.
The mechanical state of the device permits its further use.
There is no product deterioration (dirtiness, dents, rough edges, etc) which
could cause any reduction in safety.
Test Functions
Recommended Testing Instruments and Accessories
1x Multi-parameter simulator Lionheart
1x RS232 interface connector with internal connection between pins 2 and 3
(TXD and RXD)
1x Patient trunk cable and customer electrode leads, or 1X patient trunk cable, 10-
pin 223 387 01
Test Preparations
In general, the device test functions implemented in MAC 1200 resting ECG
analysis system are used for the tests. See
Chapter 3, “System Test Function” for
details.
Connect MAC 1200 resting ECG analysis system up to the mains, the green LED
for standby must glow.
Switch the device on, the self-test runs automatically, no error message should
appear. When the self-test has finished, the device is in the automatic mode, the
yellow LED (indicating disabled operating mode) should still be glowing.
Modifications in the user-programmed configuration may need to be made in order
to carry out the test. If such a change needs to be made to enable testing, make a
printout of all the modified configuration lists and mark the changes made.
NOTE
After completing the test the original user-programmed configuration is to be
retrieved and activated.
Operating and Display Unit Performance Tests
Carry out the “Display Test” as detailed in Chapter 3, “Display Test”.
Carry out the “Keyboard Test” as detailed in Chapter 3, “Keyboard Test”.
Test for Recording Speeds 25 and 50 mm/s
Carry out the “Motor Test” as detailed in Chapter 3, “Motor Test”.
The feed speed deviations should be less than 3%.
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