Diasonic Tech DMP-105 - Manual (Page 26)

Reference : Works only on FM radio applied model.
It's convenient to listen to broadcast with auto seek function.
If FF key or REW key is pressed over 0.5sec after setting to radio,
it stops at a receiving frequency. Auto seek function will not give
you precise broadcast frequency. At this situation, use REW or FF
key for precise control.
Configuring radio channel
Select radio mode by pressing radio button.
Frequency will appear on LCD. Select desired frequency using
FF/REW KEY.
Storing Channel
Select radio mode by pressing radio button.
Frequency will appear on LCD. Select desired frequency using
FF/REW KEY.
When you press PLAY/STOP button 01 will blink where FM is
indicated. Now use FF/REW KEY to select channel (01-10) you
wish to store and press play button again to store it to selected
channel then FM will be indicated again when it get stored. You
can store it up to CH10 using same method.
Confirming stored channel
When menu button is pressed 'Preset Mode' will be displayed then
it will show stored channel and frequency.
Now use FF/REW KEY to select stored channel. When menu
button is pressed from channel confirming mode, it will go back to
FM frequency mode with 'Frequency Mode' displayed.
Recording radio broadcast
Select desired recording radio channel through same step from
radio channel configuring step1~2.
Press record button to start recording. Now recorded messages
will be stored in index of voice next to last stored message.
Message can't be increased during recording procedure. So, you
have stop and start recording again.
Checking recording data during record is impossible and it can be
checked from voice property after it's stopped.