User manual GARMIN FISHFINDER 400C - QUICK REFERENCE GUIDE REV. A, MAY, 2007

Understanding the Full Screen The Full Screen is the main screen for both dual beam and dual frequency transducers. On the Home screen, highlight Full Screen, and press SELECT. Changing the Display Settings You can switch between Day and Night modes and brighten or darken the backlight. To change the display settings, on the Configure screen, highlight Display, and press SELECT. OR Press and release the POWER key. Using the Fishfinder 400C Keypad POWER/BACKLIGHT--press and hold to turn the unit on or off. Press and release to adjust the backlight and day/night modes. RANGE(+/-) --press to adjust the range of the sonar. ROCKER--press up, down, left, or right to move through menus, highlight fields, and enter data. Fishfinder 400C quick reference guide Depth Temp Speed Suspended targets Range Bottom Transducer mode Press left or right on the ROCKER to switch between Day and Night mode. Press left or right on the ROCKER to adjust the backlight SELECT HOME MENU SELECT--press to select highlighted items and confirm on-screen messages. MENU--press to view additional settings and configuration options; press to return to the previous screen when indicated. HOME--press to return to the Home screen. May 2007 Part Number 190-00757-01 Rev. A Printed in Taiwan Understanding the Split Zoom Screen 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 Understanding the Flasher Screen 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. Understanding the Split Freq Screen 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. Tips and Shortcuts 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 display settings. POWER key to adjust the Flasher ring Zoomed depth scale Zoom window Range Depth Transducer mode Depth, temperature, and speed Range Please visit www.garmin.com for additional documentation and information. Frequencies