Service manual

4-16 CARESCAPE V100 Vital Signs Monitor 2048723-002D
Maintenance: Calibration procedures and tests
Pressure transducer calibration
Perform only if Pressure Transducer Verification is out of tolerance as specified in
the “Test results form” on page 4-29.
NOTE
To enter service mode press and hold Cycle button while pressing the On/
Off button.
1. Turn the monitor on and enter Service Mode.
2. The min window should display 0.
3. Open valve on bulb to open pressure system to atmosphere.
4. Verify the manometer reads zero.
5. Press Cycle button and 1 should appear in the min window.
6. Close valve on bulb and slowly inflate pressure to 200 mmHg (using the
manometer as reference).
7. Press Menu button when pressure reads exactly 200 mmHg to set
calibration value.
8. To save the calibration setting, press the Cycle button until 6 appears in the
min window.
9. Press and hold Menu button until monitor beeps and the number in the
MAP/Cuff window decrements by 1, which acknowledges that data was
saved.
10. Turn the monitor off.
Overpressure verification
NOTE
To enter service mode press and hold Cycle button while pressing the On/
Off button.
1. Wait a few seconds after entering service mode. Press Cycle button so that
the min window changes from 0 to 1.
2. Use the inflation bulb to inflate close to 300 mmHg. Slowly inflate (1 to 2
mmHg/sec) until valve opens and pressure is released.
3. Record and verify pressure at which valve opens on the “Test results form”
on page 4-29.
4. Press Cycle button and 2 should appear in the min window.
5. Use the inflation bulb to inflate close to 150 mmHg. Slowly inflate (1 to 2
mmHg/sec) until valve opens and pressure is released.
6. Record and verify pressure at which valve opens on the “Test results form”
on page 4-29.
7. Turn unit off.