THT60 - THT70
EN - 37
5.2.3.4 Setting the Isotherm function
In the Image menu, touch the icon “
” to select the Isotherm function and to activate a
screen clearing function. The following options are available (see Fig. 59)
¾
Isotherm
Æ
allows activating the Isotherm function and to define its characteristic.
¾
Clear screen
Æ
allows having the display cleared of all symbols.
Fig. 59: Setting the Isotherm tool
1. Touch the item “
Isotherm
” or the symbol “ ” to activate the Isotherm function. The
icon “
” is shown on the display
2. Touch the icon “
” to define the characteristics of the Isotherm line. The screen Fig.
59 is shown on the display. The meaning of the items is the following:
¾
Mode
Æ
defines the type of Isotherm. Available options are:
x
Between
Æ
the instrument shows the spots of the image with temperature
between
IsoMIn
y
IsoMax
with colour defined by the user
x
Higher
Æ
the instrument shows the spots of the image with temperature higher
than
IsoMax
with colour defined by the user.
x
Lower
Æ
the instrument shows the spots of the image with temperature lower
than
IsoMin
with colour defined by the user.
¾
IsoMax
Æ
defines the value of maximum threshold which the Isotherm line refers
to. Measuring range:
-19.5°C
y
399.5°C
¾
IsoMin
Æ
defines the value of minimum threshold which the Isotherm line refers to.
Measuring range:
-1.0°C
y
420.0°C
¾
Colour
Æ
defines the colour of the Isotherm line. Possible options:
Black, Green,
White, Transp. (Transparent)
3. Press the “
” key to go back to the previous screen
4. Touch the item “
Clean screen
” to activate the complete clearing of the display from all
other symbols (option recommended with use of the Isotherm line tool).
5. Touch the display to exit the Isotherm line function.