Introducing snapshots . . . . . . . . . . . . . . . . . 46 Setting up the video image overlay . . . . . . . 49
6 Reviewing past echoes using SoundTrac . . . . . 51
Viewing past echoes using SoundTrac . . . . . 52 Marking fish as waypoints . . . . . . . . . . . . . . 53 Navigating to a past echo position . . . . . . . . 53
7 Setting the Alarms | 55 |
Understanding the alarms . . . . . . . . . . . . . . 56 Setting the fish alarm . . . . . . . . . . . . . . . . . . 56 Setting the bottom alarm . . . . . . . . . . . . . . . 58 Setting the temperature alarm . . . . . . . . . . . 60
8 Troubleshooting 491 Operations . . . . . . . . . . . . 63
Troubleshooting the echo sounder . . . . . . . 64 Checking the transducer . . . . . . . . . . . . . . . 65
