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Maintenance & Calibration
Figure 4
Removing the Lithium Battery
1.
Top Cover/Back Panel
2.
Phillips-head screws (4) captive
5.4 Calibration
DANGER
When loosening removable parts from a multiprobe or any instrument, always point those
parts away from your body and other people. In extreme conditions, excess pressure may
build-up inside a housing, causing caps, sensors, or other removable parts to disengage
with force sufficient to cause serious injury.
Surveyor 4a calibration is not necessary, unless there is an option that requires calibration such as
the internal barometer.
The Surveyor 4a can calibrate a multiprobe just like with a computer.
Proper maintenance of all sensors should proceed calibration. Refer to the Sonde user guide for
detailed sensor maintenance procedures.
Security Level-2 is required for calibration.
1. Set the I/F mode to Series 3.
2. Press the Setup/Cal key.
3. Press the Calibrate key.
4. Press the Sonde key. A pop-up screen will displayed.
5. Highlight the parameter to be calibrated and press Select.
6. Follow the Surveyor 4a prompts using the appropriate calibration sections from the
Calibration
Page 28
1
3
2
Sonde manual.
3.
Holder, Lithium Battery
4.
Lithium Battery
4
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