SYMBOL
11. SWITCHING THE IMAGE MODE
> Press the menu button briefly to switch the image mode
between White Hot, Black Hot, Fusion and Red Hot modes.
01. White Hot - ideal for precise response
02. Black Hot - ideal for quick finding
03. Fusion - for detection at close range, e.g. thermal bridges
04. Red Hot - for rapid detection of heat sources
12. DIGITAL ZOOM
> Briefly press the zoom button to zoom the picture to 1× to 2×, 4×
and back to 1x.
The digital zoom factor is displayed in the info bar.
13. TAKING PICTURES AND VIDEOS
> In normal display mode, briefly press the picture/video button to
take a picture.
The display indicates that the picture has been saved.
> Long press the picture/video button to start recording a video.
During video recording, the recording time is displayed in the
upper left corner of the screen.
CHALLENGER-15 · Operating Manual 03 / 2021
Auto standby (off/5 min./15 min.)
Visibility of the info bar in the upper right corner
of the picture (on/off)
Hot spot tracking/displaying the warmest object (on/off)
WiFi (on/off)
Analogue video output (on/off)
Stadiametric rangefinder
Brightness (level 1 to 5)
Contrast (level 1 to 5)
Image optimisation modes for different environmental
conditions (warm/cold)
Calibration mode / FCC (auto/manual, external)
Blind pixel correction
System information
Restoring the factory settings
(and subsequent restart)
01.
02.
Meaning
03.
04.
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