GPS Chart Plotter & Echo Sounder
40
2
】
Manual Range
Manual range status will be shown on the title of fish finder image.
Press
〖
zoom in/M.RNG
↑
〗
narrow the range in current image.
Press
〖
Zoom out/M.RNG
↓
〗
wide the range in current image.
3
】
Auto Range
Auto range status will be shown on the title of fish finder image.
From shallow to deep sea, when the image of the echo sound reaches the bottom of the screen,
system will automatically switch to the next larger range.
From deep to shallow sea, when the c sound reaches the center of the screen , system will
automatically switch to next smaller range, image of echo sound will show red or orange.
Note
:
Range will switch to the max range to detective if echo gram disappear by any reason. If
system can
’
t detective two darker colors of echo gram, it will search from the first range,
it will take several minutes to select the correct range.
4-1-13 Shift
Shift can be set as manual and auto mode.
1
】
Shift mode setting
On map screen
:
Press
〖
MENU
〗
to enter
【
Main Menu
】
, select
【
Fish Finder
】
. Select
【
15 Shift
】
in
【
Fish Finder
】
,
press
〖
←
〗、〖
→
〗
to set shift mode..
On fish finder screen
:
Press
〖
MENU
〗
to enter
【
Fish Finder
】
, Select
【
15 Shift
】
in
【
Fish Finder
】
, press
〖
←
〗、
〖
→
〗
to set shift mode.
2
】
manual shift
manual shift status will be shown on the title of fish finder image.
Press [AIS / M. SFT
↑
] to adjust the range start value
Press
〖
ROUTE /M. SFT
↓
〗
to adjust the range start value
3
】
Automatic shift
Automatic shift status will be shown on the title of fish finder image.
When tracing at deep seabed, if the image of eco reaches the bottom of the screen, system will
automatically switches down to the selected starting range.
When tracing in shallow seabed, if the echo map arrives at the center of the screen, the device
automatically switches up the selected starting range.
Note:
For any reason, when the bottom echo image disappears, the displacement will continue
to move down to 1000 (m / in / feet until the echo pattern is detected again.) If the system
does not detect both types during this time darker color echo image, it will automatically
switch to "0" and re-move down. These operations take a few minutes to complete, and
the device will continue to select until the echo image is detected.
4-1-14 Interference Reduction
Interference Reduction can eliminate the interference wave produced by two fish at the same
frequency.