Table 3-1: Dynamic Operating Range - Mallinckrodt NELLCOR NPB-195 Service Manual

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Table Of Contents

Table of Contents

3.3.3.1.2

Alarm Volume Control

3.3.3.1.3

Pulse Tone Volume Control

3.3.3.1.4

Dynamic Operating Range

After completing the procedure in paragraph 3.3.3.1.1 above:

Press and hold the Alarm Silence button and verify the following:

"OFF" is displayed for approximately 2 seconds.

After 2 seconds, a steady tone is heard at the default alarm volume

setting, the %SpO

indicates the default setting of 5.

While still pressing the Alarm Silence button, press the Down Arrow button

until an alarm volume setting of 1 is displayed. Verify that the volume of

the alarm has decreased but is still audible.

Continue pressing the Alarm Silence button and press the Up Arrow button

to increase the alarm volume setting to a maximum value of 10. Verify that

the volume increases. Press the Down Arrow button until a comfortable

audio level is attained.

Release the Alarm Silence button. The tone will stop.

Press the Up Arrow button and verify that the beeping pulse tone sound

level increases.

Press the Down Arrow button and verify that the beeping pulse tone

decreases until it is no longer audible. Press the Up Arrow button to return

the beep volume to a comfortable level.

The following test sequence verifies proper monitor operation over a range of

input signals.

Connect the SRC-2 to the NPB-195 and turn the NPB-195 on.

Place the SRC-2 in the RCAL 63/LOCAL mode.

Set the SRC-2 as indicated in Table 3-1. Verify that the NPB-195 readings

are within the indicated tolerances. Allow the monitor several seconds to

stabilize the readings.

Note:

A asterisk "*" indicates values that produce an alarm. Press the Alarm

Silence button to silence the alarm.