Vyaire VELA, Service Manual

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7-6
Chapter 7: Operational Verification Procedure
33373-001 Version A
7.2.5
Touch Screen Calibration
1. Enter the SVT Calibration screen as described in Chapter 6
2. Select Touch Screen Calibration.
3. Using a stylus pen touch all three points as they appear on the screen. Verify calibration
passed.
4. If calibration does not pass, repeat calibration process until it does pass.
7.2.6
Battery Status Verification
1. Charge battery to minimum 80% capacity before returning to service.
2. Verify voltage capacity
3. Access
the SVT mode. Access “Transducer Data”. Choose “Analog X” any one showing will do.
Rotate the control knob until IB (Internal Battery) is selected press accept. Exit screens and
return to the wave form screen. In the area just above one of the wave forms that shows what
the wave form represents you can touch this and a menu window will appear rotate the control
knob until the “Analog X” that you set IB in is selected then press accept. The wave form will
now represent a battery capacity. You can see this voltage by pressing the freeze button and
the voltage value will appear next to the curser line, with a green status light this voltage should
read above 80% of full charge. The charge scale is 1.0 to 4.0, 1.0 being 0 charge and 4.0 being
Fully charged. The formula to find the percent of charge for the VELA internal batteries is:
# - 1.0

3 x 100 = % of charge
3.4 -1.0 = 2.4

3 = 0.8 x 100 = 80 % of full charge capacity
If the Ventilator passes the UVT and Performance Tests, the Ventilator is performing to
specifications and may be put into service.