Inside a menu dialog Delete, Enter, Mode and Escape have the following functions:
With the Delete key you erase the last numerical input.
With Enter you confirm the last input and take over the setting. After the last input in a dialog
you leave it with Enter.
With Mode you return from a dialog directly to the measurement display. The settings are taken
over.
With Escape you go back one step in the operation. The last input gets not valid.
Numbers are input by the numerical keypad.
4.4 Probe Handling
To avoid damage and for best results during use, the probes have a number of handling and
accuracy requirements that must be observed.
An Electrically Erasable Programmable Read Only Memory (EEPROM) is included in each
probe. The EEPROM stores specific information that the gaussmeter requires for operation. The
information includes serial number and probe sensitivity, and may also include field and
temperature compensation data.
When the probe is connected, the probe memory is downloaded to the gaussmeter. This is how
the gaussmeter knows which ranges are available and which error correction to apply. To
change probes, remove the existing probe carefully, and then plug in the new probe.
Caution!
Care must be exercised when handling the probe. The tip of the probe is very
fragile. Stressing the Hall sensor can alter its calibration. Any excess force
can easily break the sensor. Broken sensors are not repairable.
Although every attempt has been made to make the probes as sturdy as possible, the probes are
still fragile. This is especially true for the exposed ceramic tip of very thin probes. Care should
be taken during measurements that no pressure is placed on the ceramic tip of the probe. The
probe should only be held in place by securing at the handle. The probe stem should never have
force applied. Any strain on the ceramic substrate may alter the probe calibration, and excessive
force may destroy the Hall sensor.
Avoid repeated flexing of the sensor mounted at the end of a flexible stem. Force should never
be applied to the tip of the probe. On all probes, do not pinch or allow cables to be struck by
any heavy or sharp objects. Although damaged or severed cables should be returned for repair,
please understand that probes are not always repairable.
When probes are installed on the instrument but not in use, the protective tubes provided with
some probes should be placed over the probe stem in order to protect the tip. When the
gaussmeter is not in use, the probes should be stored separately in some type of rigid container.
The foam container that some probes are shipped in may be retained for probe storage.
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