JRC JFS-280 Instruction Manual page 26

4.1.3 Manual Sound Detection .................................................................................................. 4-5
4.1.4 Automatic Sound Detection .............................................................................................. 4-5
4.1.5 Transmission pulse repetition rate ................................................................................... 4-7
4.1.6 Cursor Movements and Operations ................................................................................. 4-8
4.1.7 Off Center Display ............................................................................................................ 4-9
4.1.8 Operating and Clearing Alarms ...................................................................................... 4-13
4.1.9 Automatic Tracking Operation [
4.2 Split Display ........................................................................................................................... 4-15
4.2.1 Sound Detection Display ................................................................................................ 4-15
4.2.2 Fish finder display .......................................................................................................... 4-16
4.3 Registration ............................................................................................................................ 4-18
4.3.1 Registering a user menu [1 to 6] .................................................................................... 4-18
4.3.2 Registering the user defined keys [F1], [F2], and [F3] ................................................... 4-20
4.3.3 Registering the MULTI knob [1 to 6] ............................................................................... 4-21
5 Adjusting How Images Appear .................................................................................................... 5-1
5.1 Appearance of Images ............................................................................................................ 5-3
5.1.1 Tilt Angle and the Appearance of the Sea Floor .............................................................. 5-3
5.1.2 Tilt Angle and the Appearance of Images of Schools of Fish .......................................... 5-4
5.1.3 Images and Effects of Own Ship's Wake and the Wakes of Other Ships ................................... 5-5
5.2 Settings for Fish Echoes .......................................................................................................... 5-6
5.2.1 Signal Reception Settings ................................................................................................ 5-6
5.2.1.1 Clutter Settings .......................................................................................................... 5-6
5.2.1.2 STC LEVEL ............................................................................................................... 5-7
5.2.1.3 Settings for the Horizontal Beam .............................................................................. 5-7
5.2.1.4 Settings for the Vertical Beam................................................................................... 5-8
5.2.2 Transmission Settings ...................................................................................................... 5-9
5.2.2.1 Transmission Power Settings ................................................................................... 5-9
5.2.2.2 Settings for the Pulse Length .................................................................................. 5-10
5.2.2.3 Transmission Mode Settings ................................................................................... 5-11
5.2.2.4 Settings for the Width of the Vertical Beam ............................................................ 5-11
5.2.2.5 Settings for Shading ................................................................................................ 5-12
5.2.2.6 Settings for the Transmission Pulse Repetition Rate ............................................. 5-13
5.2.3 Settings for Signal Processing ....................................................................................... 5-14
5.2.3.1 Settings for Interference .......................................................................................... 5-14
5.2.3.2 Settings for Signal Processing P ............................................................................ 5-15
5.2.3.3 Settings for Signal Processing R ............................................................................ 5-15
5.2.3.4 Settings for Signal Processing D ............................................................................ 5-16
5.2.3.5 Settings for Oscillation Processing C ...................................................................... 5-16
5.2.4 Technological Settings .................................................................................................... 5-17
] ........................................................................... 4-14