Mindray BeneHeart D3, Operator'S Manual

Page: 57 / 186

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6.6.2 Changing ECG Wave Settings
You can select the ECG parameter area to enter the [ ECG Setup ] menu to set ECG cascade and wave speed. You can also
select the hot keys above the ECG waveform to change ECG lead, size and filter.
‹
You can press the Lead Select button on the equipment’s front panel or use the Navigation knob to select the
lead hot key above the first ECG waveform to select a lead.
„
If the wave is too small or clipped, you can change its size by adjusting the gain select button on the front panel or
selecting the Size hot key above the ECG waveform.
„
When monitoring ECG through ECG lead set, filter mode is displayed above the first ECG waveform. The available
filter mode settings are [ Monitor ], [ Therapy ], and [ Diagnostic ]. The default is [ Therapy ]. To change filter mode,
select the filter mode hot key using the Navigation knob.
‹
When monitoring ECG through pads/paddles, filter mode is always “ Therapy ” and is not shown..
„
In the [ ECG Setup ] menu, select [ Sweep ], and then choose an appropriate value. The faster the wave sweeps, the
wider the wave is. You can also access [ Sweep ] to adjust wave speed from the [ ECG Setup ] menu in the
Configuration mode.
„
In the [ ECG Setup ] menu, select [ ECG Cascade ] and toggle between [ On ] and [ Off ].
NOTE
z
For paced patients, you must set [Paced] to [Yes]. If it is incorrectly set to [No], the system may mistake an
internal pace pulse for a QRS or fail to alarm when the pacer is broken.
6.6.3 Switching the Notch Filter On or Off
The notch filter removes the AC line noise. When [ Filter ] is set to [ Monitor ] or [ Therapy ], the notch filter is always on.
When [ Filter ] is set to [ Diagnostic ], you can switch the notch filter on or off as required.
To switch on or off notch filter, select the ECG parameter area to enter the [ ECG Setup ] menu, and then select [ Others
>> ] [
→
Notch Filter ] and toggle between [ On ] and [ Off ].
Switching on the notch filter is recommended when there is interference with the waveform.
Set notch frequency according to the electric power frequency of your country. Follow this procedure:
1. Press the Main Menu button on the front panel, and then select [ Others >> ] [
→
Configuration >> ]
→
enter the
required password.
2. Select [ ECG Setup ] [
→
Notch Filter ] and then select [ 50Hz ] or [ 60Hz ] according to the power frequency.