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Danger of explosion— Do not reverse the anode and cathode when connecting the battery
Only authorized maintenance engineers can open the battery compartment and replace the
battery. Only the battery of same model and specification provided by manufacturer should be used
Battery has to be disposed and recycled according to the local regulation.
6.3.3 Maintenance of Main Unit, Patient Cable & Electrodes
1）Main Unit
Make sure the instrument is powered off.
Clean the instrument and accessories. Put on the dustproof cover after use.
Place the instrument in a dry and cool environment. Prevent from shaking violently when moving it
to another place.
Prevent any liquid from seeping into the ECG as it will affect its performance and safety.
Handle over the medical instrument to maintenance departments to check the ECG instrument
regularly.
2）Patient Cable
1） Check the patient cable is well-collected according to the following table. The resistor between
the electrode plug and plug pin of the patient cable plug should be less than 10Ω;
Note: the resistance or of patient cable with the function of defibrillating protection is around
10KΩ.
Wire plug
symbol
R L F RF C1 C2 C3 C4 C5 C6
Plug pin
location
9 10 11 14 12 1 2 3 4 5
2） Integrity of patient cable，including main cable and lead wires，should be checked regularly.
3） Knotting or crooking in closed angle will shorten the patient cable’s life, so please align the
patient cable and then collect the electrodes
4） Do not drag or twist the patient cable with excessive stress while using. Hold the connector
plugs instead of the cable when connect or disconnect the patient cable
5） Storing the lead wires in bigger wheel or swinging to avoid twisting or folding
6） Once damaged or aged patient cable has been found，replace it with new one immediately
7） Electrodes
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