Diagnostic Mode

Menu Item

Function

Activate Pump

As long as the NBP button is pressed,

 

the pump runs. If system pressure

 

reaches the hardware over-pressure

 

protection point (280 to 330 mmHg or

 

37.3 to 44.0 kPa), the safety valve opens

 

and the pump disables, until the pressure

 

falls below the safety threshold.

 

 

Open Both Valves

As long as the Volume button is pressed,

 

the safety valve and proportional valve

 

opens and remains at maximum.

 

 

Deflate

As long as the Alarm Silence button is

 

pressed, the proportional valve opens

 

and bleeds off pressure at the rate of 3

 

±1.5 mmHg/s. It is useful to control the

 

bleed rate to 3mmHg/s to facilitate

 

certain AAMI SP10 tests. Any time the

 

bleed rate falls below 3 mmHg/s, the

 

valve opens and remains at maximum as

 

long as the button is pressed.

 

 

Offset Adjustment

Momentarily press the Contrast Adjust

 

button invokes the Zero Calibration

 

routine that is performed immediately

 

prior to each blood pressure

 

measurement. This routine looks at the

 

pressure in the system, and if the

 

pressure is non-zero, an offset is applied

 

which causes the system pressure to

 

display as Zero.

 

 

When in the NBP Test screen, the Return option is always highlighted. Press the wheel to return to the Diagnostic Menu. Rotating the wheel while in the NBP Test screen has no effect.

Configuring the Power-up Defaults Menu 5-11

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Philips 862474, 862478 manual Menu Item Function
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862474, 862478 specifications

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