One of the bolts is a spare. So, use one bolt to attach your Deeper smart sonar (using two will make the readings less accurate), and keep the other in your tackle box as a spare.
No, you only need one rod. Some anglers choose to fish with two rods while using their Deeper smart sonar – with one rod they cast out their Deeper and use it to monitor underwater activity, and with the other rod they cast their bate or jig.
Deeper smart sonars have been designed to be as simple and quick to use as possible. Just attach the device to a fishing-line and put it in the water; this will switch the device on. Then cast it to the spot you want to scan, and your Deeper does the rest. It will automatically transmit