3.Push the Menu Switch to the right (Next) 
or to the left (Previous) 
to select the channel number you want to save.
4.Press 
button again to save the selected channel.
Select a Preset Channel
1.Press the 
button, and the screen will display the 20 channel numbers.
2.Push the Menu Switch to the right (Next) 
or to the left (Previous) 
to select the channel number you want to use.
3.Press the 
button to select the preset channel.
4.The desired stored favorite channel will appear on the OLED display.
Record an FM Channel
1.Select a desired channel.
2.Press and hold the 
button for more than 2 seconds, and then the selected channel will start being recorded. On the display, a recording FM file is generated and placed in the folder name of [/FMIN.DIR/]. The recording file name sequence starts at [FM000001.WAV], then [FM000002.WAV], and so forth.
3.Press the 
button to pause the recording, and press the
button again to continue.
4.Press the Menu Switch inwards (Menu) 
or the 
button to stop the recording and the display will return to the previous FM status.
| Sample rate | Channels | 512MB | 1GB | |
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FM Record | 8 KHz | 2（stereo） | 16 hrs | 32 hrs | |
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16 KHz | 2（stereo） | 8 hrs | 16 hrs | ||
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| 32 KHz | 2（stereo） | 4 hrs | 8 hrs | |
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