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5
Operation
4. Use the cross-hair icon to target a spot. If the cross-hairs are not shown,
check the menu system (under Measurement) to see if the Center Spot
(cross-hairs) function is enabled.
5. Press the Laser pointer button to switch ON the Laser pointer. The TG275
Laser pointer includes a circular spot indicating the area that is being
monitored for temperature. See the Laser pointer image example below in
Figure 5.2. If the Laser beam does not appear when the button is pressed,
check the menu system (under Device Settings) to see if the Laser is
enabled.
6. The temperature reading on the display represents the measurement of
the targeted spot. See Figure 5.1.
7. The distance-to-spot ratio is 30:1 and the minimum target distance is 26
cm (10.2 in.).
8. To measure higher than 400℃ (752℉) use the High Temperature Switch,
see Section 5.3 below.
9. If a measurement is out of range, the display will show 'OL'.
10. To adjust the Emissivity, use the menu system (under Measurement).
11. To change the display color palette, use the menu system (under Image
Adjustments/Colors).
Figure 5.2 Laser pointer with circular border indicating temperature measurement spot
5.3 High Temperature Switch
1. To access the high temperature mode, slide the lever to the right (to ex-
pose the red color code).
2. The lever is located directly below the lens area and above the image cap-
ture trigger.
3. When engaged, the high end of the temperature range (>400℃ [752℉]) is
accessible.
#NAS100009; r. AA/57810/57810; en-US
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