Covidien Nellcor PM10N Service Manual page 56

Modification and Testing
Pulse Volume Control
A pulse tone sounds with each detected heart beat.
To set the pulse volume
Press and hold the Power On/Off button for approximately 1 second to turn the monitoring system off.
1.
Connect the DEC-4 pulse oximetry cable to the monitoring system sensor port.
2.
Connect the OxiMax™ DS-100A sensor to the DEC-4 cable, then to a finger.
3.
Press and hold the Power On/Off button for approximately 1 second to turn the monitoring system on.
4.
Access the Device Settings menu.
5.
In the Device Settings menu, access the Sound Settings menu.
6.
Press the Down button to highlight Pulse Volume, then press OK.
7.
Press the Up or Down button to adjust the pulse volume.
8.
The Pulse Volume setting controls the volume (0-4) of the pulse rate indicator. The default setting is 0.
4-18
Figure 4-18. Key Beep Volume Default Setting of 0
Service Manual