Specifications

USING DIAL-UP • GENERAL USAGE
92
7 Beaver Brook Road, Littleton, MA 01460 • 978-486-0086 • www.burk.com
The VRC2500 will respond:
• E
XTERNAL AUDIO OUTPUT ON
Telephone audio will continue to be routed to the Audio Out
connector until the user-defined number of seconds runs out, or
until the Audio Out routing is manually deactivated (whichever
comes first).
To deactivate the two-wire Telco audio routing through the Audio
Out connector, enter:
 “0 8 0 *”
The VRC2500 will respond:
• E
XTERNAL AUDIO OUTPUT OFF
USING THE AUDIO IN CONNECTOR
The VRC2500 can send audio to the telephone line from the
Audio In back-panel connector. When checking to see if the
transmitter is broadcasting from a location outside of the station's
coverage area, this feature is especially useful.
Selecting the Audio In path can be done using DTMF tones.
To send the VRC2500’s Audio In to the telephone, enter:
 “0 7 0 #”
The VRC2500 will respond:
• E
XTERNAL AUDIO INPUT ON
Audio will continue to be routed from the Audio In connector until
the Audio In routing is manually deactivated or until the inactivity
timer times out (see Inactivity Timeout, page 72).
To deactivate the two-wire Telco audio routing from the Audio In
connector, enter:
 “0 7 0 *”
The VRC2500 will respond:
• E
XTERNAL AUDIO INPUT OFF
Please refer to Appendix
A for a complete list of the
DTMF codes to use when
accessing the Voice Interface in
Voice Mode.
!