Note: If you have the Disable Color Thermal Video
option selected in the camera's on-screen Video
Setup menu, only 2 color modes are available —
greyscale and red.
Changing the thermal camera color mode
With the thermal camera application displayed:
1. Select Menu.
2. Select Image Options.
3. Use the Color menu item to switch between the
available color palettes, as appropriate.
Thermal camera reverse video
You can reverse the polarity of the video image to
change the appearance of objects on-screen.
The reverse video option (video polarity) switches the
thermal image from white-hot (or red-hot if the color
mode setting is active) to black-hot. The difference
between white-hot and black-hot is shown below:
White-hot thermal image.
Black-hot thermal image.
You may nd it useful to experiment with this option
to nd the best setting to suit your needs.
Enabling thermal camera reverse video
With the thermal camera application displayed:
1. Select Menu.
2. Select Image Options.
3. Select Reverse Video.
Thermal and visible-light operation
“Dual payload” thermal cameras are equipped with
2 cameras — a thermal imaging (infrared) camera
and a visible-light camera.
Thermal camera —
provides night-time
imagery, based on
temperature differences
between objects.
Thermal imaging
produces a clear image
even in total darkness.
Visible-light camera
— provides black and
white (or greyscale)
imagery during the
day and in low-light
conditions. Helps to
improve navigational
abilities in low-light
conditions; for example
during twilight hours
when operating along
intercoastal waterways
and near harbor
entrances.
Note: The T470SC
and T473SC have
a color camera and
continuous zoom
lens.
Switching between thermal and visible-light
camera lenses
With the thermal camera application displayed:
1. Select Menu.
2. Select Image Options.
3. Use the Image Type menu item to switch between
IR and Visible Light views, as appropriate.
Thermal camera rear view mode
The rear view mode ips the video image horizontally,
providing a “mirror image”.
This is useful for example in instances where the
camera is rear-facing and you are viewing the image
on a forward-facing monitor.
Enabling thermal camera rear view mode
With the thermal camera application displayed:
1. Select Menu.
2. Select Image Options.
3. Select Rear View.
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