Key Lock Function; Mark Night; Day; Key) - JRC JFC-130 Instruction Manual

Key lock function (

The key input for displaying the menu may be made invalid. (This function
is called "Key lock.")
To set/release a key lock, operate as follows:
1.
When the key and
MARK
lock is set and a "key hole"
left corner of the screen.
2.
After few seconds the "key hole"
still locked. When you operate the menu key, the "key hole"
mark appears and the menu operation cannot be accepted.
3.
When the MARK key and
the "key hole"
been released.
4.
After few seconds the "key hole"
The key lock applies to the main menu and fish finder setting
menu. Ordinary operations of the CUSTOM/RECORD menu as
well as the
18
Operation

DAY/

+

key)

MARK
NIGHT
DAY/
key are pressed simultaneously, a key
NIGHT
mark is displayed in red in the upper
mark disappears. But Keys are
DAY/
key are pressed simultaneously again,
NIGHT
mark turns white to indicate that the key lock has
mark disappears.
A
GRAPH key and key.
SCP