Manual 15 is the busy channel lock function on RB17P GMRS radio. However, there are two choices for you, carrier and CTCSS/DCS. What is the difference? And how to use the busy channel lock function efficiently of RB17P? Let’s start to learn the operation. Now, let’s know the basic information of RB17P radio. WHAT ARE THE RB17P RADIOS? When to use the busy channel lock function? If you do not want to receive other calls or do not want to transmit to strangers, you can use the function to filter out unnecessary calls. You may concern the CTCSS/DCS codes can also filter out the unnecessary calls or transmit them to other receivers, why do we have to use the functions? …
