Saadat Dena 640 User Manual page 17

and make sure that it is in proper working order.
2-3 Indicators
The POWER switch (On/Off) is located on the control panel (
indicators for power on and batter‟s charge on the control panel.
The green power indicator lights up when the device is powered on (
The battery indicator illuminates green when the battery is fully charged otherwise it is orange.
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( in Figure 2-3).
Figure 2-3 Control Panel
Before using the electrocardiograph, check function of all keys
13 13 13
11
in Figure 2-3). There are two
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in Figure 2-3).