Cleaning and Maintenance
7-4
Only authorized installation or maintenance engineer can open the
battery compartment and replace the battery. Only use the
rechargeable lithium battery of the same mode provided by Comen.
Do not reverse the anode and cathode when connecting the battery,
otherwise explosion may be caused.
The waste battery should be sent back to Comen Company or
disposed of according to the local regulations.
At present, Comen Company would conditionally provide curcuit
diagram, calibration methods in lists and other information to help
users to authorize proper and qualified engineers to maintain those
parts of instrument which can be maintained by users.
7.3.2 Record Paper
Storage requirements of record paper:
♦ Record paper should be stored in dry, dark and cool area, avoiding high
temperature, humidity and sunshine.
♦ Do not put the paper under fluorescence for a long time.
♦ Be sure that there is no polyvinyl chloride or other chemicals in the storage
environment, which will lead to color change of the paper.
♦ Do not overlap the recorded paper for a long time, or else the ECG
waveforms recorded may trans-print each other.
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