Sony hsr-1-1p User Manual
6
Detailed Descriptions of Commands
General Purpose Control
Commands
Commands
C.E. (41H)
This clears the error status or the last character of
numerical data entered. A sign entered cannot be
cleared with this command. To clear a sign, enter the
new sign.
numerical data entered. A sign entered cannot be
cleared with this command. To clear a sign, enter the
new sign.
C.L. (56H)
This releases the error status and clears the present
command. If the C.L. command is sent after issuing a
command with numerical parameter but before
confirming the numerical parameter, the numerical
parameter input is stopped, and the command with
numerical value parameter is cleared.
command. If the C.L. command is sent after issuing a
command with numerical parameter but before
confirming the numerical parameter, the numerical
parameter input is stopped, and the command with
numerical value parameter is cleared.
EXP-1 (D8H), EXP-3 (DAH)
EXP-1 and EXP-3 are the first and third extended
commands. These commands become valid after they
are combined with a secondary command. If any other
command is issued between this command and the
secondary command, the extended command is
canceled, and NAK is returned.
commands. These commands become valid after they
are combined with a secondary command. If any other
command is issued between this command and the
secondary command, the extended command is
canceled, and NAK is returned.
Example
:
When the LOCK ON command is correctly
executed.
Example
:
This is a case in which the LOCK ON
command could not be correctly executed because a
command other than a secondary command was
issued after the extended command:
command other than a secondary command was
issued after the extended command:
Mode Control Commands
REC REQUEST (FAH)
This command must be issued immediately before
sending the REC command.
sending the REC command.
SCREEN DIVIDE (DAH+90H)
Selects the display structure.
Two bytes for the number of divisions, another 2 bytes
for the page number, and the ENTER command (40H)
must follow.
Two bytes for the number of divisions, another 2 bytes
for the page number, and the ENTER command (40H)
must follow.
Example
:
To select the second page of 4-division
mode:
SCREEN AUTO CHANGE (DAH+91H)
Automatically switches the display.
Parameter bytes to specify the output port (A or B) and
the cycle in seconds and the ENTER command (40H)
must follow.
If 00 is specified for the cycle, no automatic switching
is executed.
If the output port is not specified, output port A is
selected.
Parameter bytes to specify the output port (A or B) and
the cycle in seconds and the ENTER command (40H)
must follow.
If 00 is specified for the cycle, no automatic switching
is executed.
If the output port is not specified, output port A is
selected.
Example
:
To switch the display for output port A
every 5 seconds:
RxD
TxD
TxD
DAH
0AH
90H
30H
34H
32H
40H
0AH
0AH
0AH
0AH
30H
0AH
0AH
EXP-3
CMD
0
4
2
ENTER
ACK
ACK
ACK
ACK
ACK
0
ACK
ACK
RxD
TxD
TxD
D8H
94H
0AH
0AH
EXP-1
CMD
ACK
ACK
RxD
TxD
TxD
DAH
0AH
91H
3AH
35H
0AH
0AH
40H
0AH
0AH
EXP-3
CMD
A
5
ACK
ACK
ACK
ENTER
ACK
ACK
RxD
TxD
TxD
D8H
94H
72H
0AH
0BH
0BH
EXP-1
CMD
other CMD
ACK
NAK
NAK