Furuno FCV-1200LM - Manual (Page 39)

2-5
AUTO SHIFT
Selects manual or automatic depth shift. The automatic shift function automatically locates the
bottom trace on the lower half of the screen; the range window jumps up where the bottom trace
rises over the center of the screen and jumps down when it reaches the bottom of the screen.
AUTO appears at the top right corner of the screen when the auto shift function is on. Note that
the [+] and [-] key are inoperative when the automatic shift function is turned on,
Range changes automatically to
locate the bottom on the lower half
of screen. The equipment shifts to a deeper
range when the bottom comes to
the lower edge of the depth scale.
3/4
1/2
3/4
Automatic shift concept
DISPLAY DATA
Selects the data to display at the left top corner of the screen among OFF, L/L*, TD*, TIMER
(Elapsed time from the moment when the [MARKER/TLL] key is pressed), GAIN**, R/B* (range
and bearing to the waypoint) and COURSE*.
*: Requires navigation device.
**: The gain setting shown on the display may not agree exactly with GAIN controller position.
When you change the gain setting and then return correctly, using of the setting shown on
the display is recommended.
SCROLL TIME
Turns the display scroll time on/off. Scroll time displays, at the screen bottom, the amount of
time a scan line stays on the screen as it passes from one side of the screen to the other. Time
varies with the range and picture advance speed.
SMOOTHING-1
This setting can only be changed when the picture advance speed is set to 1/16, 1/8, 1/4, 1/2 or
1/1. (See page 1-19.) This function smoothes echo presentation. The higher the number, the
greater the smoothing. Adjust the setting when echoes appear “spotty.”
SMOOTHING-2
This setting can only be changed when the picture advance speed is set to 2/1, 3/1 or 4/1. (See
page 1-19.) This function smoothes echo presentation. Select ON when rough echoes appear.