hi guys!
can anyone tell me what is the coverage of dual frequency transducer cones? ie
50/200 khz covers how many meters at what depth: the bottom of cone;how to work it out?
i have a garmin 420s with a through hull dual frequency transducer and no manual for trdcer.:swear
:thankie
can anyone tell me what is the coverage of dual frequency transducer cones? ie
50/200 khz covers how many meters at what depth: the bottom of cone;how to work it out?
i have a garmin 420s with a through hull dual frequency transducer and no manual for trdcer.:swear
:thankie