Furuno CH-500 Operator's Manual page 7

2. HORIZONTAL MODE ............................................................................................2-1
2.1 Operational Overview ................................................................................................ 2-1
2.2 Horizontal Menu Overview ........................................................................................ 2-2
2.3 Mix Display (CH-600 only)......................................................................................... 2-3
2.4 Typical Horizontal Mode ............................................................................................ 2-5
2.5 Full-circle A-Scope Mode .......................................................................................... 2-6
2.6 Horizontal Mode (Zoomed)........................................................................................ 2-7
2.7 Horizontal + History Mode ......................................................................................... 2-8
2.8 Horizontal + Vertical Mode ........................................................................................ 2-9
2.9 How to Choose a Frequency (CH-600 only)............................................................ 2-10
2.9.1 Choosing the frequency............................................................................... 2-10
2.9.2 Choosing the combination display............................................................... 2-11
2.10 How to Interpret the Horizontal Display ................................................................... 2-12
2.11 How to Select the Training Speed ........................................................................... 2-15
2.12 How to Use the Vertical Search Feature ................................................................. 2-15
2.13 How to Adjust the Picture ........................................................................................ 2-16
2.13.1 How to suppress seabed/surface reflections with TX power ....................... 2-16
2.13.2 How to suppress bottom tail with pulselength ............................................. 2-16
2.13.3 How to display weak echoes clearly with TVG ............................................ 2-17
3. VERTICAL SCAN MODE ......................................................................................3-1
3.1 Vertical Mode............................................................................................................. 3-1
3.2 Vertical Menu Overview............................................................................................. 3-2
3.3 How to Interpret the Vertical Scan Display ................................................................ 3-3
3.4 How to Toggle Full/Half Range Scans....................................................................... 3-4
3.5 How to Select the Training Speed ............................................................................. 3-4
3.6 How to Adjust the Picture .......................................................................................... 3-4
4. ECHO SOUNDER MODE ......................................................................................4-1
4.1 Typical Echo Sounder Display................................................................................... 4-1
4.2 Echo Sounder Menu Overview.................................................................................. 4-2
4.3 How to Adjust the Range........................................................................................... 4-3
4.4 How to Adjust the Tilt................................................................................................. 4-3
4.5 How to Select the Picture Advance Speed................................................................ 4-3
4.6 How to Adjust the Picture .......................................................................................... 4-4
4.6.1 How to adjust the TVG for echo sounder mode ............................................ 4-4
4.6.2 How to find echo strength with the A-Scope.................................................. 4-6
5. MENU OPERATIONS ............................................................................................5-1
5.1 How to Access and Use the Menu ............................................................................ 5-1
5.2 How to Change the Displayed Language .................................................................. 5-2
5.3 COM1 Menu .............................................................................................................. 5-2
5.4 COM2 Menu .............................................................................................................. 5-3
5.5 System Menu............................................................................................................. 5-4
5.6 FUNC Key Menu ....................................................................................................... 5-5
5.6.1 How to setup the function keys...................................................................... 5-5
5.6.2 Short-cut keys................................................................................................ 5-5
5.6.3 Preset keys.................................................................................................... 5-6
5.7 How to Adjust the Preset Range Settings ................................................................. 5-7
5.8 How to Enable/Disable Train Speed Presets ............................................................ 5-8
5.9 How to Change the Displayed Colors........................................................................ 5-8
5.10 How to Backup/Restore Settings............................................................................... 5-9
5.11 How to Adjust the Transmission Frequency ............................................................ 5-10
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