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beginning of measurement (including quick and long term measurement),
the preparing phase shows on the screen with a heart beat icon and counting
down seconds, the beeper will sound with the counting down at the interval
of one second.
During this period the device will check the signal quality and auto scale
the display. Please adjust your holding position if the detected waveform
is not smooth or poor signal and it may prompt:"Check well-connection
with lead wires."
Figure 4.7
Quick measurement
4.2.2 Quick measurement by built-in electrodes
Please refer to the section 4.1 "Hand measurement" to make the electrodes
well-connection with skin. At default menu screen, press " " measure
key can enter into quick measurement preparing screen directly, after
10 seconds, it will enter into the measuring screen, as shown in Figure 4.8.
The measuring time lasts for about 30 seconds.
4.3 long term measurement by external lead wires
There are 2 options (limb lead and chest lead) for long term measurement
by external electrodes. The detail information about the electrodes placement
is described in section 4.1.
4.3.1 Chest lead measurement
Please refer to the section 4.1 "Chest lead measurement" to connect
the lead wires; enter "
input; return to default menu screen, move the cursor to the " " measure
icon, press the ""ok key to enter into external electrodes measurement
(3 lead wires) preparing screen, after 10 seconds, it will enter into the chest
lead measuring screen, as shown in Figure 4.9. In this measuring mode,
it can measure and display the ECG signal of lead I, lead II, lead III or chest
lead (V4) respectively according to electrodes placement.
Figure 4.8
Quick measurement
" option setup menu to select "chest lead" for signal
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V
Figure 4.9
Measuring (chest lead)
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