FLIR 72501-0101, Руководство пользователя

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Working with measurement tools 18
4. Push the joystick. This displays a submenu.
5. Select ( Graph ).
6. Push the joystick to toggle the function between inactive and active:
• When the icon with the unfilled indicator is displayed, the function is inactive.
• When the icon with the filled indicator is displayed, the function is active.
7. When completed, move the joystick down to close the submenu.
8. Select ( Done ) and push the joystick.
18.8 Creating and setting up a difference
calculation
18.8.1 General
A difference calculation gives the difference between the values of two known measure-
ment results.
18.8.2 Procedure
Note
• You can set up a difference calculation when previewing an image, when defining user
presets, or when editing an image in the archive.
• This procedure assumes that you have previously laid out at least one measurement
tool on the screen.
18.8.2.1 Procedure
Follow this procedure:
1. To set up a difference calculation, do the following:
• If you are defining user presets, select ( Add measurement ) and then select
( Add delta ).
• If you are editing an image in the archive, select ( Measurement ) and then se-
lect ( Add delta ).
2. Push the joystick. This displays a dialog box where you can select the measurement
tools that you want to use in the difference calculation. You can also select a fixed-
temperature reference.
3. Push the joystick. The result of the difference calculation is now displayed on the
screen.
18.9 Setting a measurement alarm
18.9.1 General
You can make the camera trigger an alarm when certain measurement conditions are
met.
18.9.2 Types of alarm
You can choose between the following alarm types:
• Above : Triggers an alarm when the temperature is above the preset alarm
temperature.
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