JRC JFE-400, Instruction Manual

Page: 39 / 104

4. Operation
4-1
4. Operation
4.1 Basic Operation
Turning Power ON/OFF
・ To turn on power, press the button.
・ To turn off power, press the button. A confirmation screen whether to turn off the power will be
displayed. Touch the
✓
button.
Adjusting Control Panel Illumination [DIM+/DIM-]
・
On echo sounder working adjust the brightness with , on the screen.
・
The brightness of the screen can be adjusted to 16 levels in each mode (DAY/DUSK/NIGHT).
・ Whenever is touched, brightness goes up and Whenever is touched, brightness goes down.
Range Control [RANGE]
・ The range change of this equipment is eight stages of 5,10, 20, 50,100,200,500,800m.
・
Touch on top screen. The button color change to yellow green and range menu is displayed.
・
Range mode is displayed on the right side of top of screen.
・
Auto or manual range mode can be set with each touch.
・
Whenever is touched, the range is switched to the deep end.
・
Whenever is touched, the range is switched to shallow one.
・ When touch or , , auto range mode is released automatically.
・ When auto range mode is canceled, the range setting is continued and doesn
’
t return before the auto range
mode.
・ After setting the range. touch and range menu is closed.
Note
・
Sea bottom might not be displayed according to the setting of draft.
・
When sea bottom is not displayed, depth is not displayed.