MDP-621/641/640 Chapter 8
Operation manual Sounder operation
Chapter 8 Sounder operation
Page No.
8.1 Sounder screen.....................................................................8-1
8.2 Selecting the depth sounding range (RANGE) ..................8-2
8.3 Operating the Sounder via the soft keys............................8-3
8.3.1 Setting up AUTO (Sounding range/shift)..................................................8-5
8.3.1.1 Automatic sounding range ......................................................................8-5
8.3.1.2 Auto-shift.................................................................................................8-5
8.3.2 Adjusting the image sensitivity.................................................................8-6
8.3.2.1 Manual adjustment..................................................................................8-6
8.3.2.2 Auto adjustment ......................................................................................8-7
8.3.3 Adjusting the STC....................................................................................8-8
8.3.3.1 Amplitude adjust......................................................................................8-8
8.3.3.2 Depth adjust............................................................................................8-8
8.3.3.3 Setting the low frequency STC depth......................................................8-9
8.3.3.4 Setting the low frequency STC amplification...........................................8-9
8.3.3.5 Setting the high frequency STC depth ..................................................8-10
8.3.3.6 Setting the high frequency STC amplification .......................................8-10
8.3.4 Setting the fixed shift .............................................................................8-10
8.3.5 Selecting the display image...................................................................8-11
8.3.6 Changing the frequency.........................................................................8-12
8.3.7 Setting up the zoom range.....................................................................8-12
8.3.8 Setting the interference rejection...........................................................8-13
8.3.9 Setting the screen display rate ..............................................................8-13
8.3.10 Setting the alarm....................................................................................8-14
8.3.11 Color clearing operation.........................................................................8-16
8.3.12 Setting the tone......................................................................................8-17
8.3.13 Setting the background color.................................................................8-17
8.3.14 Operating the VRM................................................................................8-18
8.3.15 A Scope .................................................................................................8-19
8.3.16 Adjusting the Transmission rate.............................................................8-19
0093161022-06 Contents