
Chapter 4 ________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 65
CHAPTER 4
OPERATION
This chapter contains information that is needed to operate this product.
Getting Started
Within a few seconds after power-up the LED on the cover of the
transmitter is lit continuously indicating normal operation. When using
the optional display and turning the transmitter on the first time, the
language selection menu window opens. Select the language with ▼▲
arrow buttons and press the SELECT button (the left-hand button).
The pressure has an effect on humidity calculations and accuracy.
Therefore, accurate calculations can be achieved only when the ambient
pressure is taken into consideration. For instructions on how to set the
pressure, see section Pressure Compensation Setting on page 95.
Display/Keypad (Optional)
Basic Display
Display shows you the measurement values of the selected quantities in
the selected units. You can select 1 ... 3 quantities for the numerical basic
display (see section Changing Quantities and Units on page 92.)
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