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at a low temperature uniform surface or the lens cap
Focusing
Thermal camera focusing
There are two methods to adjust focus in live image: manual and automatic focusing. Before focusing, ensure the lens cap is
uncovered and there is no menu or dialog box displayed in live thermal image.
To
manually
focus, aim the lens at the target and then move the joystick up or down
To
automatically
focus, keep button F4 depressed till a frame appears in the image, aim the frame at the target and
then release button F4, then the camera will automatically focus till getting a clear image of the target.
Note:
When the
temperature
difference between the target and its surroundings is not obviously, it is advisable to focus
manually to get a clear image of the target.
Temperature range, Filter and Palette
When there is no menu
displayed
in live thermal image, press button A for 2 seconds and then release it to switch
between auto and manual modes. The prompt “Auto” or “Manual” will appear in the status bar at the bottom of the
screen. Or, touch the icon A/M in general menu to make the selection.
In Auto mode,
contrast
and brightness of the image are controlled automatically by the camera itself through T-max and
T-min. In manual mode, you can adjust the contrast and brightness manually by altering the values of T-max and T-min.
Switch from
auto
mode to manual mode, T-max or T-min will be highlighted by dark blue box, indicating being selected.
Press button A to shift between T-max and T-min and upward/downward the joystick to adjust the value, when the
background will be in yellow and the value will be in black.
In manual mode, use touch
pen
to slide upwards/downwards, the background of T-max/T-min value will be highlighted
in yellow, and the value will be in black and change meanwhile.
There are 8 palettes for selection. The object with different temperature will show strong contrast under the severely
changeable palette. Then
the
image noise will become manifest. The smooth transition palette will lead the image soft
with small contrast and unobvious noise.
