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viii DS400 and DS500 Digital Fishfinders
Chapter 3: Getting Started ................................................................................27
3.1 Introduction ....................................................................................27
3.2 Powering on the Fishfinder ............................................................27
3.3 Simulator Mode ..............................................................................27
3.4 LCD Display ..................................................................................28
3.5 Keypad Operation ..........................................................................30
3.6 Selecting the Display Page ............................................................31
3.7 Main Menu .....................................................................................33
Selecting MENU Items ...............................................................34
3.8 Interpreting and Adjusting the Sounder Image ..............................37
Fish Indications ...........................................................................38
Effect of Frequency and Boat Speed .....................................38
3.9 Using the Variable Range Marker (VRM) ......................................39
Chapter 4: Menu Operation ...............................................................................41
4.1 Introduction ....................................................................................41
4.2 Fishfinder Operation Controls ........................................................42
Scroll Speed ................................................................................43
Range ..........................................................................................43
Hunt Mode ............................................................................45
Frequency ...................................................................................45
A-Scope ......................................................................................46
GAIN MODE... ..........................................................................47
GAIN ....................................................................................48
Color Gain .............................................................................49
Time Variable Gain (TVG) ...................................................49
Sounder Interference Rejection (Int. Rej.) ............................49
Second Echo Rejection .........................................................50
Power ....................................................................................50
Max. Ping Rate ......................................................................50
ZOOM... .....................................................................................51
View ......................................................................................51
Zoom x2, x3, x4 Magnification .............................................52
Mode .....................................................................................52
TRIP RESET... ............................................................................53
DISPLAY SET UP... ...................................................................53
SOUNDER SET UP... .................................................................53
Chapter 5: Display Controls ..............................................................................55
5.1 Introduction ....................................................................................55
5.2 DISPLAY SET UP... .......................................................................55
Brightness ...................................................................................58
Target Depth ID ..........................................................................58
Depth Digit Size ..........................................................................59