Furuno CSH-5L/CSH-8L - Manual (Page 46)

3. ADVANCED SONAR OPERATION
3-10
3.8 Function Keys (F1-F4)
A function key may be programmed two ways: set up the equipment according to
fishing ground or target fish, or provide a shortcut for a menu item on the
SONAR or SOUNDER menu.
Default function key programs (main items only)
Function Key Default program
Sonar Menu Item
F1 F2 F3 F4 F1: Short-range detection
TX OUTPUT 8 10 8 10 F2: Long-range detection
PULSE LENGTH 7 10 7 10 F3: Short-range detection
TX CYCLE 10 10 10 10 F4: Long-range detection
TVG NEAR 6 5 6 5
TVG FAR 6 8 6 8
HOR BEAMWIDTH Narrow Narrow Narrow Narrow
VER BEAMWIDTH Wide Narrow Wide Narrow
COLOR CURVE 4 1 4 1
COLOR RESPONSE 2 4 2 4
3.8.1 Operating the function keys
1. Press desired function key. The equipment is set according to function key
program, or a dialog box appears in case of shortcut operation. For shortcut
operation, go to step 2. The illustration below shows the ERASE MARKS
dialog box.
2. Press the same function key again within five seconds to set value or choose
option. (Be sure to press the function key within five seconds; the dialog box
is automatically erased after five seconds.) In case of the SONAR menu item
ERASE MARKS use the function key to choose the item to erase and then
press the [EVENT] key to erase.
ERASE MARKS
TRACK SHIP EVENT SHIP
ERASE MARKS dialog box
3.8.2 Programming for fishing ground or target fish
1. Set up controls on the control unit according to fishing ground or target fish.
2. Press the [MENU] key to open the menu.
3. Use the [RANGE] control to choose [MENU MODE].
4. Use the [GAIN] control to choose SONAR.
5. Set all menu items (except TRANSMISSION) as appropriate.
6. Use the [RANGE] control to choose ASSIGN SETTING.