cuts out

Hello All! I am rather new to all this. I have a Uniden BCD996P2 and I was able to program it to scan in my area. However, when it finds something the sound cuts in and out and I am unable to follow the conversation. Is there a setting I am missing? I am using the Freescan software to...

I've noticed that certain quick call pager tones get cut out halfway through the second tone while others I can hear the entire tone. What's the deal?