User`s guide
USER'S GUIDE____________________________________________________________________ 
3  =  Selected quantities. Up to three of the following quantities 
can be selected at a time: dewpoint (T
d/f
,
T
d
 ), relative 
humidity (RH), absolute humidity (a), mixing ratio (x), parts 
per million (H
2
O), temperature (T). 
4 = The Graphic
1)
 shortcut button changes the display into a 
curve mode. 
5 = The Hold/Sa
1)
 shortcut button holds the display and allows 
you to save the reading into the memory. 
6 = 
The  Record shortcut button takes you to the 
Recording/Viewing menu. This is the default shortcut 
button. In the figure it has been changed to Start/S. 
1)
 The Graphic, Hold/Sa, and  Record functions above the shortcut 
buttons are set at the factory. You can change them to refer to other 
functions as shown in Figure 4 on page 19 where Start/S has replaced 
Record. See also section Program Shortcut Keys on page 38. 
Menus 
The settings can be changed and functions can be selected in the 
menus. Follow the instructions below: 
1.  Open the main menu by pressing one of the  buttons. 
2. Press  Open within 5 seconds. Otherwise, the basic display 
returns. If this happens, start from step 1 again. 
3.  Move in the menus using the 
 buttons. 
4.  Select an item with the 
 button. 
5.  To return to the previous level, press  . 
6.  To return to normal operation, press Exit. 
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