Thanks, but I’m talking about a live recording (program in progress). I realize these options are easily available for series recordings, but for some reason not all the same options are available for live recordings. However, I’ve since found a way around this by accident when I inadvertently pressed the INFO button again instead of EXIT. So here are the steps to extend time on live recording for a Motorola DCX3400:
1) during a program in progress, press REC button
2) press INFO button and when you see program description, press INFO button again
3) you’ll see several options—choose “set or cancel recording”
4) you’ll see more options—choose “modify settings for this recording only”
You can also choose to set up a series recording at this time if you want.