Section 3: Performance Verification
3- 3
12. Press the Shift key followed by the Display Light/Beep On/Off key and
verify that the pulse beep can again be heard again at a higher level.
13. Press and release the Display Light/Beep On/Off key on the front panel
keypad and verify that the LCD backlight comes on, remains on and the
LCD is adequately illuminated.
14. Press the Display Light/Beep On/Off key on the front panel keypad and
verify that the LCD backlight is off.
15. Set the following SRC-2 control as indicated:
LOCAL/REMOTE/RCAL REMOTE
16. On the NPB-40, verify that the PULSE SEARCH indicator illuminates
after a few seconds and that the number “0” is displayed in the SpO2%
and pulse rate displays.
17. Set the following SRC-2 control as indicated:
LOCAL/REMOTE/RCAL LOCAL
18. On the NPB-40, verify that the PULSE SEARCH indicator illuminates
momentarily and verify that the NPB-40 is displaying a pulse rate of
201 (±3 bpm), that the pulse amplitude indicator is displaying properly,
that the SpO2% indicator is displaying 79 to 83, that a pulse beep can
be heard, and that the PULSE SEARCH indicator is off.
Note: If an HP82240B printer is not available, skip steps 19 through
27 and proceed to step 28.
19. Refer to the printer operator’s manual as needed. Verify that paper is
properly installed in the printer and turn the printer on.
20. Align the NPB-40 with the printer as shown in Figure 3-2.
1"–2" (2.5–5.1 cm.)
0°–5°
0°–5°
Figure 3-2: Printer Interface Setup
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