SI4840-DEMO Datasheet, PDF (7/22 Pages) Silicon Laboratories – Si4840/44 DEMO BOARD USERS GUIDE

Si4840/44-DEMO
Table 1. Key Function Description (Continued)
Button
Time Mode
Tuner Off
FM/AM/SW Radio Mode
Tuner On
Hold Time > 1s
In radio setting menu, change the current parameter
In setting menu, change
automatically.
the current time/alarm In radio working mode, decrease volume level auto-
parameter automatically.
matically until to
minimum.
MONO/ST
None
FM mode: change between forced mono audio and
ST audio.
SETTING
Hold Time < 1s
Hold Time > 1s
None
None
In radio setting menu, change the selected item per
each press.
Quickly return to FM working mode.
Rev 0.1
7