Fluke Ti300 User Manual page 28

Ti200, Ti300, Ti400
Users Manual
Fast Auto/Manual Range Toggle
When NOT in a menu mode, push and release  to toggle between Auto
Range and Manual Range. The icon in the upper right-hand corner of the LCD
screen will indicate the change by saying Auto or Manual.
Fast Auto Rescale (in Manual Mode)
When in Manual Range and NOT in a menu mode, push and release  to
automatically rescale the level and span range for objects in the thermal field of
view. This feature operates the Imager in a semi-automatic mode if manual fine
re-adjustment of level and span with the arrow buttons is not necessary.
Rescaling can be done as often, or as little, as needed.
The Imager always powers up in the same Level and Span mode,
Auto or Manual, as when it was powered down.
Temperature Level for Manual Operation Mode
When put into manual ranging, the level setting moves the thermal span up or
down within the total temperature range. See Figure 4. In the live manual
mode, the arrow buttons are always available to adjust the level and span.
To set the level:
1. Push  to move the range to a higher temperature level.
2. Push  to move the range to a lower temperature level.
While you adjust the manual level, the scale along the right side of the display
shows the thermal span as it moves to different levels within the total range.
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Note