30
4.9.1 ECG Setup
Figure 4.11 ECG setup
Screen description:
•
HR ALM:
heart rate alarm switch, this item is fixed to be “ON” and the user can not set it.
Hi:
high alarm limit for HR
Lo:
low alarm limit for HR
•
Lead:
set ECG lead.
•
Gain:
set ECG waveform gain, “X1, X2, X4, X1/2, X1/4” for optional.
X1:
Waveform scale with base gain
X2:
Twice scale size of the base gain.
X4:
4 times scale size of the base gain.
X1/4:
1/4 size of the base gain
X1/2:
Half scale size of the base gain
•
1mV:
the activation status of the internal 1mV calibration signal. Select “√” means activation of the internal
1mV calibration signal, select “×” means deactivate it. “√” means the ECG signal source will be the internally
generated 1mV signal for calibration, and the calibration signal waveform (1mV, 1Hz square wave) will be
displayed on the screen.
The 1mV calibration signal is used to test the ECG function of the device. It is not used during normal ope-
ration.
•
Enhance mode:
the switch of filter mode. Select ” √ ” means enhance mode for the filter with extended
bandwidth (0.05Hz~40Hz), select “×” means filter with normal bandwidth (0.5Hz ~ 40Hz).
•
Cable:
choose the number of lead wires for ECG cable to be used. “3” and “5” for optional. Only lead I, II
and III can be selected if “3” lead wires is set. All ECG leads including lead I, II, III, aVR, aVL, aVF, V (V1~V6)
can be selected if “5” leads wires is set. The factory default is “3”.
Instructions for setting parameters:
1. Press
or
keys to move the cursor to select parameters. The parameter that the cursor rests on will turn
to yellow. Short press the OK
key, to set the selected parameter and the selected parameter will turn to
blue.
2. Short press the
or
again to adjust or modify parameter values. Short press the OK
key again to con-
firm and save the setting.
3. Short press the
key to return to upper level screen.
Note:
operation for each parameter setting is similar to ECG setup, so we will not cover it again.
