Pard Leopard 640 - Display Brightness

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2. Display Brightness
Users can adjust the display brightness of the screen to adapt to different surroundings.
Press [Key 4] to enter the menu, press [Key 3] to move the cursor to the display
brightness option, press [Key 2] to enter the sub-menu.
Press [Key 1]/[Key 3] to move the cursor to select “level 0”/“level 1”/“level 2”/
“level 3”/“level 4”/“level 5”/“level 6”/“level 7” options.
Press [Key 2] to save and return to the home page.
3. Range Unit Selection
Users can choose "meter" or "yard" as the unit of measurement for the device according to
their habits.
Press [Key 4] to enter the menu, press [Key 3] to move the cursor to move the cursor
range unit selection option, and press [Key 2] to enter the sub-menu.
Press [Key 1]/[Key 3] to choose between "meter" or "yard", then press [Key 2] to save
and return to the previous page.
5. Scene
There are three scene modes, "City", "Forest" and "Rain". Users can choose any of the available
scenes to achieve the best image display effect.
Press [Key 4] to enter the menu, press [Key 3] to move the cursor to the scene option.
press [Key 1]/[Key 3] to select "City", "Forest" or "Rain".
Press [Key 2] to save and return to the previous page.
4. Gyroscope
This function measures the orientation of the device so that the yaw and pitch angles of the
device can be displayed and calibrated.
Press [Key 4] to enter the menu, press [Key 3] to move the cursor to move the cursor
to the gyroscope setting option, and press [Key 2] to enter the sub-menu.
Press [Key 1]/[Key 3] to select "Display" or "Calibration", and then press [Key 2] to enter it.
(1) Display" indicates whether (or not) to display the yaw and pitch angle of the device
on the home screen. Press [Key 1]/[Key 3] to select "Off" or "On", and press [Key 2] to
save and exit.
(2) “Calibrate” means to enter the calibration state. After selecting, please place the
device on a horizontal plane surface, and press [Key 2] to perform automatic
calibration. After calibration, the device will automatically return to the home screen.