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7-22 ApexPro™ 2001989-351A

Checkout

4. Turn off the Accutracker.

5. After 5 seconds (to prevent the unit from “locking up”), press and hold the

button and turn the Accutracker on.

6. Press the button twice; then press the button to force the Accutracker to

activate the pump and valve circuitry. The unit goes through a diagnostic self-

test. If the unit passes the test, TEST PASSED displays briefly.

7. When OFFICE SELF TEST displays, immediately press the button to

discontinue the reading in progress. This step is necessary to identify that a

reading can be aborted, if necessary, during a test in case there is a problem (i.e.,

the cuff slips down the arm, an electrode becomes detached, etc.).

8. Turn the Accutracker off to exit this mode.

Over-pressure release check

The Over-Pressure release occurs whenever a pressure of 285 mmHg (+/–20 mmHg)

is applied to the Accutracker pressure transducer. The Over-Pressure release forces

the pump to stop and valve #1 to open.

1. Press and hold the button and turn the Accutracker on.

NOTE

Make sure no external pressure is applied to the Accutracker when you turn

it on.

2. Apply a pressure of 285 mmHg (+/–20 mmHg) to the Accutracker. Valve #1

immediately opens and allows the applied pressure to release.

3. Once the Over-Pressure circuit is tripped, valve #1 and the pump are disabled

until “Analog Power” (+/–Vana) is removed from the circuit. Turn the

Accutracker off to reset the circuit.

Hardware time-out and system leak check

1. Press and hold the button and turn the Accutracker on.

NOTE

Make sure no external pressure is applied to the Accutracker when you turn

it on.

2. Apply 200 mmHg pressure to the Accutracker pressure circuit and start a timer to

clock the Hardware Time-Out circuit.

3. The Hardware Time-Out occurs in 3 minutes (+/–45 seconds). Valve #1 opens

and dumps pressure once the time-out is finished. As you monitor the Time-Out,

monitor the pressure (in mmHg) displayed on the Accutracker LCD. The

Accutracker should leak no more than 2 mmHg per minute.

GE ApexPro Technical Manual

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