SI4844-B-DEMO Datasheet, PDF (12/18 Pages) Silicon Laboratories – Si4844-B DEMO BOARD USERS GUIDE

Si4844-B-DEMO
4.2.2. MCU Setting Radio Working Mode
The host MCU can set the radio working mode.
The working modes include:
Tone/volume mode (only for FM), item 3 in setting menu
Tuning preference (only for FM and SW), item 4 in setting menu
Forced mono audio/ST audio (only for FM)
Follow these procedures to set radio working mode:
1. Press the SETTING button to enter item 3. The LCD displays the item number st3 for 1 second, then
automatically switches to its mode indication.
2. Press the DOWN/VOL– or UP/VOL+ button to select the desired mode within 3 seconds.
3. Repeat steps 1 and 2 to set the tuning preference by setting the item 4.
4. When the radio working mode is set, the MCU automatically quits the setting menu if there is no operation
within 3 seconds.
5. Press the MONO/ST button to select forced mono audio or ST audio in FM mode when necessary.
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Rev. 0.1