Garmin 400C - Manual (Page 2)

The Flasher screen (dual beam transducer only) provides
an almost instantaneous return of what is below your
boat. The depth scale is organized as a ring that starts
at the top, or 12:00, and progresses clockwise. Sonar
information flashes on the ring when it is received at the
depth indicated on the inside ring. Like the regular graph,
The colors indicate different strengths of the sonar return.
On the Home screen, highlight
Flasher , and press
SELECT .
Flasher ring
Depth
Use the Split Freq screen (dual frequency transducer
only) to view both the 50kHz and 200kHz frequencies on
the same screen.
On the Home screen, highlight
Split Freq , and press
SELECT .
Depth,
temperature,
and speed
Range
Frequencies
Understanding the Split Freq Screen Understanding the Flasher Screen Understanding the Split Zoom Screen
Press HOME from any screen to return to the Home
screen.
Press
MENU from any of the main screens to access
advanced settings.
Press and release the
POWER key to adjust the
display settings.
Please visit www.garmin.com for additional documentation
and information.
Tips and Shortcuts
Use the Split Zoom screen to view the full sonar data
from the graph as well as a zoomed in portion on the
same screen.
On the Home screen, highlight
Split Zoom , and press
SELECT .
Depth, temperature,
and speed
Range
Zoom
window
Zoomed
depth scale
Transducer mode