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currently set squelch control level, the audio outputs will mute. If this occurs on Tuner #1, the MPX
output of the receiver will also mute, keeping a transmitter equipped with a silence detector from
broadcasting "dead air." The RFBA will automatically un-mute the audio (and MPX output for Tuner
#1) when the input RSSI level is more than 6dB above the currently-set squelch control level. Email
alerts, if configured, will be sent whenever the unit is squelched or un-squelched. The email alert
must be properly configured in the Ethernet interface for this to function correctly.
RSSI Alert Level:
will be sent out. If the email alerts are not set properly then the email alerts will not be received.
This control has units of dBµV in 1dB steps. This setting has no effect on the audio or MPX output
levels. This feature is useful for a station engineer to monitor a change in the receive antenna which
might require adjusting.
De Emphasis:
This setting allows control of the receiver de-emphasis. Options are OFF, 50
µsec or 75 µsec. Available options will vary by Region and tuner number.
Main Meter:
This allows the user to determine which bar graph to be displayed on the main
menu, if any. If the modulation analyzer is not available, then the user may only select RSSI or OFF
for Tuners 2 and 3, or may only choose RSSI, MOD, or OFF for Tuner 1.
PPM Threshold:
This allows control of the peaks per minute readings in the "Peaks/Minute"
section of the modulation analyzer. The user can adjust the percentage modulation trigger
threshold in which the PPM counter will start counting. The nominal setting for this control is
105%.
PPM Holdoff:
This allows control of the peaks per minute readings in the "Peaks/Minute" section
of the modulation analyzer. The user can adjust the time in which the PPM counter can re-trigger
for an over modulation event. The nominal setting for this control is 5 mSec.
Hi-jack Avoidance:
perform user selectable tasks if the RDS PID is not received or is invalid. This is useful when a rogue
station is broadcasting on your frequency. Email alerts will be sent whenever the unit is hijacked or
un-hijacked. Note: the email alert must be properly configured via the Ethernet interface for this to
function correctly.
Hi-jack PID:
This setting allows the user to program the desired PID to be monitoring on the
received frequency.
Received PID:
This value is a visual aid of the currently tuned station PID. It is intended to
assist the user while setting the Hi-jack PID. This value cannot be adjusted.
Mono/Stereo:
This allows the user to force the receiver to mono or stereo reception. This is
useful under very weak signal conditions where stereo reception produces undesirable levels of
noise. When setting the signal to mono on tuner #1 the MPX output will also output a mono
signal (L+R only). RDS will still be encoded if it is turned on, however.
RFBA & RFBA Plus User Manual
This control allows the user to determine the RSSI level at which an email alert
This menu item will allow the user to monitor the received RDS PID and
Crown Broadcast
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