3-14
YES
YES
NO
NO
NO
FUNCTION SETTINGS
MODE 1
z
By pressing the Target Lock key, the Sonar beam will
track the echo automatically left and right.
z
"TARGET LOCK" will be displayed at the right of the
screen.
z
If the beam should have lost the echo and not picked it up
again after a 60° sweep, the Target Lock function will be
released.
MODE 2
z
The Sonar beam will track the echo automatically up and
down (one time of up and down track after three times of
left and right track) in addition to the MODE 1 functions.
The sonar beam tracks the echo up and down
It tracks the echo 5° up
Does it pick the echo up?
YES
It
backs to the previous angle.
It tracks the echo 10° down
Does it pick the echo up?
Does it pick the echo up?
YES
YES
It tracks the echo 5°
up
It backs to the previous angle.
Does it pick the echo up?
Does it pick the echo up?
NO
NO
The Target Lock function The Target Lock function The Target Lock function The Target Lock function
continues. will be released. continues. will be released.
NOTE !---------------------------------------------------------------------------------------------------------
During the Target Lock operation, Tilt, Bearing, and Sector keys will not be
operated.
And if the Range, Sector, Display Mode or Menu key is pressed, the Target
Lock function will be released.
When the Target Lock function ceases, Bearing and Sector angles will return
to their original positions, but Tilt angle will remain in Target Lock position.
The Target Lock function is not available in the Bottom Scan and Echo
Sounder Modes.
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R A N G E
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