How do you tell if your transmitter is working ? Well there are usually some lights on the front that glow and if you've bothered to read the manual properly (no, me neither) give information on the state of the battery.
If you are lucky the boat will be responding to the controls. If not head scratching happens.
Since I can't see radio waves after a frustrating session at the poolside during the last boat show, I bought an Action Electronics signal meter. It's an easy build and very useful. So much so I've written it up for Model Boats magazine and you can see it in the current issue.
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