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