CSH-8L MK2 course
14 lessons and three lesson plans written for the Furuno CSH-8L MK2 and its own manuals. Free.
Pick a plan or jump to any lesson. This course covers the CSH-8L MK2 only. Your progress is saved in this browser, and in your account if you sign in.
Two courses, one account
This is the Furuno CSH-8L MK2 course. Every lesson is written for that sonar and its own manual. Own a Furuno CSH-10? It has its own course.
Lesson plans
A plan puts lessons in a sensible order with a pace. Start one and we keep your place.
Your first 30 days with the CSH-8L MK2
Learn the system before you learn the fish: the beam and the controls first, then the settings that matter most, then marks, data and care.
12 lessons, about 88 minutes of reading. For: New CSH-8L MK2 owners and crews.
Tune the picture in a week
Five short lessons on the adjustments that shape the screen. Try each one on the water against a mark you know is real.
5 lessons, about 37 minutes of reading. For: Owners who already fish the CSH-8L MK2 and want a cleaner screen.
Stay with the CSH-8L MK2 or step up?
What the system asks for each year, what the boat must provide, and what a move to the CSH-10 changes and reuses.
4 lessons, about 33 minutes of reading. For: CSH-8L MK2 owners weighing an upgrade.
All lessons
No lesson matches that. Try a shorter word, or ask the forum.
Meet your CSH-8L MK2
What the system is and how its beam sees the water.
Run the CSH-8L MK2
Controls, menus, saved setups, marks and the data it needs.
Control unit, start-up and the hoist
Every key, the start-up sequence, and the speed limits for the transducer.
9 minThe SONAR menu and Furuno USA's starting settings
Every item, its default, and the preset Furuno USA recommends.
5 minFunction keys and saved setups
Store a surface, bottom or midwater setup on F1 to F4.
8 minTarget lock, marks and fish speed
Lock a position, drop marks, measure a school and set a fish alarm.
5 minThe stabilizer and the MS-100
What the stabilizer corrects, what it does not, and what it needs.
6 minHeading, speed and position data
The inputs that marks and target lock depend on, and the setup items that tie them in.
Tune the picture
Power, pulse, TVG, AGC and interference.
Own it
Troubleshooting, care, installation and what comes after.
Troubleshooting and on-screen messages
First checks, what each message means, and the built-in tests.
8 minCare and annual service
What Furuno says to inspect, grease and replace, and how often.
8 minInstalling and interfacing the CSH-8L MK2
Location, tank, power, grounding and the setup items after install.
9 minCSH-8L MK2 or CSH-10: what an upgrade reuses
What changes, what carries over, and what to ask before you decide.