Extended Manual for RF919 v2.1
© 2024 page 52 of 63
15 System settings
In time mode, long press [ ] to set functions. After entering the main menu
there are the following options:
• Rotate the big tuning knob [ ] clockwise or anti-clockwise to select the sub
menu
• After selecting the sub menu, press the tuning knob [ ] to confirm for sub-
menu selection
• Rotate the big tuning knob [ ] clockwise or anti-clockwise to select the
parameter to change
• Short press the tuning knob [ ] to confirm the setting
• In case of no operation within 10 seconds, the last selection made is
automatically confirmed
Set the backlight color/light on time of the primary
screen
TIME SET 05-S/06-S/07-S/08-
S...30-S/FULL
Rotate the tuning knob [ ] to select the time.
“FULL” means the backlight of the primary
screen is always on. After selection, the lower
left corner of the primary screen will display “
”. Short press the tuning knob [ ] to set the
backlight color of the primary screen:
COLOUR SET 1…7
There are seven colours to choose from:
• Fresh grass green
• Elegant brown
• Soft blue
• Light green
• Pure light blue
• Luxury purple
• Joyful yellow
Set the light on time of the secondary screen
TIME SET 05-S/06-S/07-S/08-
S...30-S/FULL
The time unit is “s”.
Rotate the tuning knob [ ] to select the time.
“FULL” means the backlight of the secondary
screen is always on. After selection, the lower left
corner of the primary screen will show “ ”.
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