SE-3&SE-300 Series Electrocardiograph User Manual Operation Preparations
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Chapter 4 Operation Preparations
WARNING
Before use, the equipment, the patient cable and electrodes should be checked. Replace
them if there is any evident defectiveness or aging which may impair the safety or the
performance. Make sure that the equipment is in proper working condition.
4.1 Power and Earthing
WARNING
If the integrity of the external protective conductor is in doubt, the equipment should be
powered by the built-in rechargeable lithium battery.
Power Supply
The electrocardiograph can be powered either by the mains supply or a built-in rechargeable
lithium battery.
♦ Mains supply
The mains socket is on the left side of the unit. If the mains supply is used, connect the
power cord to the socket first, and then connect the power cord to the hospital grade
outlet.
Operating voltage: 100V-115V~ / 220V-240V~
Operating frequency: 50Hz / 60Hz
Input power: 35VA
Make sure the mains supply meets the above requirements before power-on, and then
press the mains switch. Then the mains supply indicator lamp ( ) will be lit.
If the built-in rechargeable battery is weak when the mains supply is used, it will be
recharged automatically at the same time. Then both the mains supply indicator lamp
( ) and the battery recharging indicator lamp ( ) will be lit. The 3-channel
electrocardiograph can not be recharged when it is printing reports, and the battery
recharging indicator is black; when the 3-channel electrocardiograph is switched off,
the battery recharging indicator lamp ( ) is black if the battery is fully recharged.
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