E80/E70 Digital Electrocardiograph User’s Manual
3-2
3.2 Power Supply
3.2.1 AC Power Supply
AC power: AC 100V-240V, 50Hz/60Hz.
Take out the accessory power cord, and insert the plug of output end into
the AC power socket at back panel of Electrocardiograph, and insert the
plug of input end into a grounded three-phase power socket (a
specialized socket of hospital is required) , and ground the machine via
ground wire (protective grounding) of power cord.
If AC power is ON, the AC power indicator on Electrocardiograph will
turn on, showing the status of AC power. If the battery status indicator is
ON in orange, it shows that rechargeable battery is being recharged.
After turning on the machine startup button, the equipment running
indicator on Electrocardiograph will turn on; indicator in green glitters in
startup process or standby status; indicator in green will be always ON if
the machine has started normal running.
Caution:
The electrocardiograph does not have mains switch. The
electrocardiograph is switched completely only by unplugging the
power cable from the AC power source.
Connect electrocardiograph to equipotential grounding system. Use
the green/yellow equipotential grounding cable and connect it to the
terminal labeled with the symbol.
3.2.2 Battery Power Supply
Electrocardiograph is equipped with recharge battery for power supply
to Electrocardiograph in case of AC power interruption.
Please charge up battery before use. No external charger is provided.
Rechargeable battery can be charged up when Electrocardiograph is
connected to AC power. To ensure full charging of battery for use at any
time, we suggest keeping Electrocardiograph connected to AC power
socket at all times.
When many AC disturbances are found during test, the mode of battery
power supply may be adopted to maintain the equipment operation. In
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