Furuno GP-1610C - Manual (Page 5)

5
Adjusting Tone and Brilliance
TONE : 5
BRILL : 8
LOW HIGH
LOW HIGH
1 Press the TONE key.
2 Press t or s to adjust tone.
3 Press ▲ or ▼ to adjust
brilliance.
Adjust tone or brilliance
within 10 seconds,
otherwise the display
will be erased.
Ten levels of tone are
provided.
Eight levels of brilliance
are provided.
MENU
ESC
DISP
SEL 1 EVENT
MOB 6
WPT
2
GOTO
7
MARK
3
PLTR
8
ZOOM
OUT 9
CNTR
5
CLR
TONE
POWER
ZOOM
IN 4
CURS
0
NU/CU
ENT
3
2
1