23
Echo
As recommended earlier, the encoder should echo the keyboard
commands, rather than having the terminal echo locally.
ECHO=1
8
enables encoder echo,
ECHO=0
8
turns it off.
ENCODER HOUSEKEEPING COMMANDS
Register
Interrogation
Typing:
??
8
(two question marks followed by Enter) returns the
status of all flag and ID settings and the contents of static message
buffers to the screen. This was illustrated on Page 20.
Encoder
Initialization
The initialize command is invoked by typing:
INIT
8
. This is
used to reestablish encoder operation in the unlikely event of an
internal software crash, or to restore temporary factory defaults.
INIT
8
does
not
erase user programming that has been saved in
non-volatile memory. (See
Saving Presets
, below.)
INIT
8
is an
emergency recovery command only. It is
not necessary
to execute
INIT
8
prior to updating any encoder programming.
Saving Presets
Once the RDS parameters have been set-up, or after any updates
have been made, type:
SAVE
8
to write data to non-volatile memory.
The
SAVE
8
command may be executed at any time during the data
entry process to protect everything entered to that point, and
executed again when all entry is complete.
Encoder Reset
Typing:
RESET
8
initiates a hardware reset equivalent to turning
the encoder off and back on again. This reset command does
not
clear the registers of programming commands that have been saved
as described above.
Firmware
Version
Type:
REV
8
for a display of the encoder s firmware version. This
might prove important in determining whether differences exist
between Model 712 encoders purchased at different times.
STATIC DATA PROGRAMMING
The following instructions are for programming the various IDs,
flags, and static text messages. Only the abbreviations of the
functions are given. Refer to Pages 7 through 9 for in-depth
parameter descriptions.
PI Calculation
In Europe and in some other parts of the world, an appropriate
bureaucracy assigns the PI code for RDS transmissions. PI is a
hexadecimal number that becomes the station digital address. In
the US the PI code is mathematically calculated from the station s
call letters using a formula published in the US RBDS Standard.
This is not a terribly difficult process, but if it becomes too
confusing, a calculating utility can be downloaded from the
Inovonics Website. Visit www.inovon.com and navigate to the
Model 712 listing. The PI Calculator is a small
Windows
program
that provides the proper hexadecimal code for 3- and 4-letter calls in
the United States.
