RFBA & RFBA Plus User Manual
Crown Broadcast
Page 9
as squelch or Hi-Jack. The default configuration for Tuner #3 is single ended audio with the internal
relay.
Figure 5 - Block Diagram
Front Panel
User Interface
The RFBA includes a 2 x 40 character LCD and a navigation-style button that allows the user to adjust
most settings and monitor most available parameters. The navigation control has up, down, left, right,
and enter buttons. Long-pressing the up or down button will auto-increment/-decrement the current
field until the button is released. Some of the more advanced features of the RFBA are only accessible
via the Ethernet interface, though these features are generally only applicable when Ethernet is
TUNER 1
Audio
DSP
Left+
Left-
BNC
Composite Out
Micro
40 x 2 LCD Display
RDS
Encoder
USB
Ethernet
Right+
Right-
BNC
TUNER#1
TUNER 2
Left+
Left-
Right+
Right-
BNC
TUNER#2
TUNER 3
Left+
Left-
Right+
Right-
BNC
TUNER#3
Button
Relay
