Chauvin Arnoux C.A 1954 DiaCAm2, Руководство пользователя

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3.2.2. Using the user compensation for the influencing factors
This calculation mode is necessary when the measurement conditions are significantly different from the calibration conditions
(emissivity, relative humidity) and the operator wants accuracy.
When user compensation is selected, the various parameters
can be adjusted:
- emissivity : it is necessary to choose from a list of
materials or enter a value. There are 3 user values that
can be modified (press the Right key to enter the value,
the Up/Down keys to change it, and F2 to validate the
entry). Once it is validated the menu closes and the value
of the emissivity appears in the status bar.

it is adjustable from 1.00 to 0.05
- distance : the default is 2m,

it is adjustable from 0.5m to 999.9m
- relative humidity : the default is 55%,

it is adjustable from 0 to 100%
- ambient temperature : the default is 25°C,

it is adjustable from 0°C to +55°C
3.3. Using a tripod
To improve the sharpness of the images and therefore the accuracy of the measurements, it is possible to use a support that
prevents extraneous movements.
The camera can be attached to the tripods used in photography using the ¼-inch-diameter insert on the underside of the handle,
on the battery compartment cover.
Insert for ¼" camera tripod