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HPOD
Customer Commands
Command
(Instruction
Parameter Type
Code and
Qualifier)
Reference
REF=
Oscillator Tuning
Remote Address
SPA=
Remote Baud
SBR=
Rate
Arguments for
Description of arguments
Command or
(Note that all arguments are ASCII numeric
Response to
codes, that is, ASCII codes between 48 and 57)
Query
3 bytes,
Command or Query
numeric
Adjusts the reference oscillator tuning voltage by
sending a DAC value in the following format:
REF=xxx.
Where xxx is a numeric value from 0 to 255, and
the default value is set to 87.
Example: <1/REF=87'cr'
>0001/REF=
Note: This command sets the DAC value, but the
actual Reference Oscillator tuning voltage can be
monitored using the RMS command.
4 bytes,
Command or Query.
numeric
Set Physical Address-between 0001 to 9999.
Resolution 0001
Example: SPA=0412'cr'
4 bytes,
Command or Query.
alpha-numeric
Set remote baud rate as follows:
9600 = 9600 baud
19K2 = 19200 baud
Example: SBR=9600'cr'
Note: When changing baud rates remotely the
response to the command will be returned using
the same baud rate as that used to send the
command.
Response to
Command
(Target to controller)
REF= (message ok)
REF? (received ok, but
invalid arguments
found)
REF* (message ok, but
not permitted in current
mode)
SPA= (message ok)
SPA? (received ok, but
invalid arguments
found)
SBR= (message ok)
SBR? (received ok, but
invalid arguments
found)
4–14
Revision 1
MN/HPOD.IOM
Query
Response to
(Instruction
query
Code and
(Target to
qualifier)
controller)
REF?
REF=xxx
(same format as
command
arguments)
SPA?
SPA=xxxx
(same format as
command
arguments)
SBR?
SBR=xxxx
(same format as
command
arguments)
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