Connecting The Sensor; Turn On/Off - Nonin 8500 Operator's Manual

Handheld pulse oximeter

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Using the 8500 Pulse Oximeter

Connecting the Sensor

Connect the pulse oximeter sensor (with the Nonin logo facing up) to the top of the device as shown.

Ensure that the sensor is firmly plugged in. Refer to "Specifications" or to the specific sensor

Instructions for Use.

Figure 3: Connecting a Sensor

• Turn on the device by pressing the ON (

) button.

• Turn off the device by pressing the OFF (Ø) button.

To conserve battery life, the device automatically powers off after 10 minutes of inactivity. Inactivity is

indicated by dashes on the displays and may result from an improperly connected or positioned

sensor, or from an inadequate patient pulse signal.

The Advance/Dimmer button controls the brightness of the digital displays. When turned on, the digital

display defaults to the maximum brightness. Pressing the Advance/Dimmer button will decrease the

brightness to the lowest setting, and each subsequent press will increase the brightness through 8

different settings. Lower brightness settings will conserve battery life.

NOTE: Reducing the LED display brightness can extend battery life up to 60%.

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