The complete article is at:
https://www.shtfblog.com/a-better-baofeng-uv-5r-instruction-manual/
How to Lock the Keypad
Perhaps you need to place your UV-5R in your pocket or
are in some other situation where you don’t want the
buttons of the radio to accidentally get pressed and mess
up your current settings. In this case, you can lock the
keypad. By doing this, you will lock out all the keys on
your radio
except
for the three keys on the side (where the
push-to-talk button is).
To lock the keypad, press and hold the button at the
bottom right of the face of the radio.
Press and hold that button for two seconds to lock
everything. To unlock the keys, press and hold that same
button once more for two seconds.
How to Scan Frequencies
Sometimes it is beneficial to just scan through frequencies
to see if you can contact anybody. In a disaster situation in
a foreign environment, this can help you to get your
information out as quickly as possible. You can scan while
in Frequency Mode, FM Broadcast Mode, or in Channel
Mode.
To scan these frequencies, all you have to do is hold the
“*/SCAN” button for two seconds.
When you do, the
radio will scan until it picks up a signal. Once it does, the
scanning process will come to a complete stop until you
reengage it. To reengage the scanning process, you must
first hit the “*/SCAN” button one time and then hold it for
two seconds a second time.
When in Channel Mode, utilizing the “*/SCAN” button
will cause you to scan through your stored channels.
