Ohmeda Biox 3700 - Calibration Procedure

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MAINTENANCE
CALIBRATION PROCEDURE
Whenever the Device Failure Alarm Message "CALIBRATE UNIT" appears on the
Graphic Display, the operator of the oximeter should perform the following:
1. Locate the Calibration Access Plug underneath the oximeter chassis.
2. Remove the Calibration Access Plug. The calibration pot is situated
directly inside of the oximeter. Lift the oximeter and locate the
calibration potentiometer.
3. Using a small, flat blade, plastic or nonconductive screwdriver,
slowly adjust the potentiometer. Watch the calibration reading on
the Digital Display, and wait for it to stabilize.
4. Continue adjusting the potentiometer until the calibration reading
is zero (± 0.1). 6
5. Replace the Calibration Access Plug in the bottom of the oximeter
chassis.
6. Depress the WAVEFORM key. The Status Message "SYSTEM OPERATIONAL'
should appear on the Graphic Display. The oximeter is ready for
use.
If the the oximeter fails to respond as described, DO NOT USE IT. Contact
an Authorized Ohmeda Service Representative for assistance. (See rear
cover of this manual.)
1118-301 - 86 - 01/27/86