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Brightness
To adjust the brightness, tap the middle of the screen to access the navigation menu and
swipe the screen from right to left to access the next set of menu options, followed by the
"Brightness" button. You can choose from 3 different settings, Auto, Day and Night.'
Auto
If "Auto" is selected the unit will automatically switch between the day and night settings.
The time the unit switches between day and night is pre-set and cannot be changed.
Day
You can adjust the day time brightness of the screen as follows. Press "Day" and adjust the
brightness of the screen by pressing the + and – buttons. To save the setting press "OK".
Night
You can adjust the night time brightness of the screen as follows. Press "Night" and adjust
the brightness of the screen by pressing the + and – buttons. To save the setting press
"OK".
Once you have adjusted both the "Day" and "Night" brightness, select "Auto" and then
"OK" to save the setting. If you do not select "Auto" the screen will not switch between day
and night automatically.
Volume control
Adjust the volume using the '-' or '+' on-screen buttons situated along the bottom of the
touch screen LCD.
Language
Use this setting to change language and switch between TTS (Text to speech) or Voice. Tap
the middle of the screen to access the navigation menu and swipe the screen from right to
left to access the next set of menu options, followed by the "Language" button.
You have a choice of using either TTS or Voice. TTS uses a computer generated voice
but will provide more in-depth descriptions of the next action you will need to take. For
example, instead of saying 'Turn right', it will say 'Turn right on to the A555'
Standard Voice, uses voice commands recorded by a real human, so sound more natural
but do not provide the same level of detail.
User note. The voice alerts are set to TTS as standard.
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