Servco (TL58 Operation Manual

Dot Matrix Fish finder
Operation Guide(TL58)
This product is desiged for fishing liker.
The unit can be used in the river,the
lake, or the sea.
It can help you
find out the fish
and measure the
depth of the water
.Especially,It can
bring pleasure to
you in fishing.If
you go fishing,you
need a helper!
fig-1
. 1 .
5.Parameter setting
The unit has a simple menu system.Through
Power/Menu key to select the parameter you
want,then use left/right key to set up the
parameter.When the unit at normal mode,
press any key will spring a menu.After 5
seconds the menu will disappear from the
screen.At normal mode,the unit will shut off
automatically within 5 minutes without
transducer.
5.1 Backlight setting
The unit has white LED backlight.You can
use it at night or under weak light.To extend
the battery life,please use the function only
when you really need it.
Operation:
press and release the"MENU"
key,until "light "is displayed on the screen
(fig-5).Through left/right key to turn on/off the
backlight.
5.2 Sensitivity setting
Sensitivity indicates the intensity of sonar
signal.The unit has 5-degree sensitivity for
user to select.Normally,if you want to get
. 5 .
2.Introduction to sonar theory:
Sonar technology is based on sound waves.
The system uses sonar to locate and define
structure bottom contour and composition,as
well as the depth under the transducer.The
transducer sends a sound wave signal and
determines distance
by
measuring transmission
time between the
transducer and the
detected object. then
uses the reflected
signal to interpret
location,size,and
composition of an
object.
. 2 .
more chances to detect the fish,you can choose
the higher sensitivity.User can select the
sensitivity as you want.When the water is shallow
or exist noise(made by ship's motor etc),you
should select low sensitivity.Thus the detection
will be more accurate.
Operation: press and release the"MENU" key,
until "sensitivity "is displayed on the screen(fig-6).
Through left/right key to adjust the sensitivity.
5.3 Depth range setting
Depth range is the biggest depth of detect range.
The biggest depth detect rang is displayed at the
left of the bottom.If the detected rang is out of the
biggest rang,nothing will be displayed at the
location of depth.
Operation:
press and release the"MENU" key,
until "Depth range" is displayed on the screen
(fig-7). Through left/right key to adjust the depth
range.Select "AUTO" the Unit selects the depth
range automatically.At manual mode,the depth
range can be adjusted.The unit has 6 (4,9,18,36,
54,73M)ranges for consumer to select.
.6.
3.Display View
1.Water Depth
, 2.Water Temperature
3.Bottom Contour
4.Depth Range
5.Fish Icon with Depth
6.Water Surface Line
7.Battery Strength Indicator
8.Sensitivity Indicator
9.Upper Depth Range
. 3 .
5.4 Zoom on/off setting
Z z
Zoom on/off function is off in default.When the
unit in zoom on,it will change the upper and lower
depth range constantly.Then keep the test area
just above upper and below the lower range .
Operation:
press and release the"MENU" key,
until "Zoom"is displayed on the screen(fig-8).
Through left/right key to adjust this function.
5.5 Depth alarm setting
Depth alarm is designed for user to set a number
(1-28M)of depth.When the test depth is equal or
less than the setting,it will alarm!
Operation:
press and release the"MENU" key,
until "Depth alarm"is displayed on the screen
(fig-9). Through left/right key to adjust the depth
alarm.
. 7 .
4.Key-Press Operation And Setting
POWER/MENU
Power/Menu key is a multi-function key.power on/off
the unit or menu selection will ues the key
Left key
left key is a slecting key,only when the left arrow
is displayed,the key is active.
Right Key:
Right key is a slecting key,only when the right arrow
is displayed,the key is active.
How to power on or shut off the unit :
Slide and remove the battery door,Install 4 AAA
batteries. Close the battery door completely.Press
POWER/MENU key for 3 seconds to turn power On,
The start-up menu will
be displayed on the
screen.You can through
right key to enter
Simulation mode or
5 seconds later to enter
normal mode.Press
power/Menu key for 3
seconds,the unit will be
. 4 .
shut off.
5.6 Fish alarm setting
Fish alarm is turn on/off the alarm when the unit
detecting fish.When the fish alarm is on,it will alram.
If alarm is off,it won't alarm even if detecting fish.
User can setting this parameter according your own
needs.
Operation: press and release the"MENU" key,
until "Fish alarm"is displayed on the screen
(fig-10).Through left/right key to adjust the fish
alarm.
5.7 Fish Icon setting
"Fish Icon" is turn on/off fish icon when the unit
detecting fish.When the "fish Icon" is on,it will
display fish Icon with depth.If "fish Icon" is off,it
won't display even if detecting fish.
. 8 .