Inovonics 720, Инструкция по программированию и эксплуатации

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25
communicating directly with the encoder using the terminal utility.
When a proper hex-value PI code is entered, however, the response
is OK .
Updating the
AF List
Using Headers
To keep the Model 720 backward-compatible with Inovonics earlier
encoder models, the Alternative Frequency list (AF) may be entered
in either of two ways when using the terminal utility.
1) Enter the frequency directly in MHz. Example: AF1=95.9
8
and
AF2=97.1
8
. Up to 25 Alternative frequencies may be entered
in this manner. To clear the example second entry from the AF
list, for example, type
AF2=0
8 . The 720 will resort the list, so
AF slot numbers may change. Do a ??
8
inquiry to view the
updated list.
2) Enter the Alternative Frequency by direct entry of the channel
number assignments listed in the RDS and RBDS Standards.
Channel numbers are tabulated in the Appendix. An example
entry would be AF1=114
8
for 98.9MHz.
All AF entries may be cleared by sending
AF0=0
to the encoder.
Saving to Non-
Volatile Memory
Messages and commands sent to the Model 720 as ASCII text
strings with headers are saved only in encoder RAM (Random Ac-
cess Memory). In the event of a power failure, this information will
be lost! In contrast, encoder programming using the Windows®
software is automatically followed by a
SAVE
8
command that
transfers it to non-volatile encoder memory. This further empha-
sizes the desirability of using 720 software for setting the various
RDS registers to protect their contents.
Losing dynamic data should not be a worry, however, as the only
messaging-with-headers generally streamed to the encoder is scroll-
ing-PS song titles or similar temporary data that is ordinarily up-
dated on a continuous basis. However, when using the terminal
utility or other means of serially-addressing the encoder without the
720 software, following any command or message with
SAVE
8
will
transfer all data from the encoder s RAM to non-volatile EEPROM
memory.
AUTOMATION SYNTAX REQUIREMENTS
Generally, the Dynamic PS (DPS) field will be the only one ad-
dressed by station automation for sending song title and artist, sta-
tion promo or similar information. In normal operation using head-
ers, a typical automation command might be DPS=FLY ME TO THE
MOON BY FRANK SINATRA 8
. Inovonics has collaborated with
most of the automation system vendors to make sure that the 720
and other Inovonics encoders are compatible with all popular sys-
tems.
The use of headers allows the encoder to ignore commands that are
not properly formatted. This way housekeeping or other miscella-
neous data streamed by the automation system will not appear on
RDS radio displays.