Operator's Manual

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8 Waveform area
 Displays the ECG waveform.
 The waveform layout is the same as the waveform display
format set in different working modes.
9 System button area
Displays the commonly used system buttons. For more information,
see 4.2 System Buttons.
4.2 System Buttons
At the bottom of the main screen, there are the following buttons:
working mode, low-pass filter, display format, waveform freezing,
start / stop button, file, sensitivity, speed and menu.
 Quick keys
Support quick setting of working mode, low-pass filter, display format,
sensitivity and speed.
The specific options of working mode are consistent with the settings
in [Setup] → [ECG Setup] → [Sampling Mode]. Under different
working modes, the buttons and setting items configured in this
mode are displayed. For detailed settings, see
8.1 ECG Setup .
 Waveform freezing
After clicking the [Freeze] button, the ECG waveforms stop
refreshing and scrolling. The frozen waveform is the 130-second
waveform before pressing the freeze button. If the data is less than