5520A
Operators Manual
6-44
SPLSTR
Sequential Overlapped
Coupled
IEEE-488 RS-232
x xx
x
x
(Serial Poll String command) Sets the Serial Poll String (string up to 40 characters)
which is saved in the Calibrator non-volatile memory. (While saving configuration data
in the non-volatile memory, a period of about 2 seconds, the Calibrator does not respond
to remote commands.) The SPLSTR is sent to the host over the serial interface when a
^P (<cntl> P) character is sent. The default format is:
SPL: %02x %02x %04x %04x
where the term %02x (8 bits) means print the value in hexadecimal with exactly 2 hex
digits, and %04x (16 bits) means print the value in hexadecimal with exactly 4 hex
digits. The string representations are:
SPL: (STB) (ESR) (ISCR0) (ISCR1)
See the commands, respectively, *STB?, *ESR?, ISCR0?, and ISCR1?. A typical
string in the default format sent to the host is: SPL: 44 00 0000 1000. This
command is for format. For values instead of format, enter a ^P (<cntl> p) character.
Also see the SRQSTR command.
Parameter: “<string>\n” (\n represents the NEWLINE character, hex 0A)
Example: SPLSTR “SPL: %02x %02x %04x %04x\n”
Set the SPLSTR to the default values SPL: %02x %02x %04x %04x\n.
SPLSTR?
Sequential Overlapped
Coupled
IEEE-488 RS-232
x xx
x
x
(Serial Poll Response String query) Returns the string programmed for Serial Poll
response. For values, enter a ^P (<cntl> p) character. Also see the SRQSTR command.
Response: <string>
Example: SRQSTR returns SRQ: %02x %02x %04x %04x\n
Returns the SPLSTR string format (default settings in this example).
*SRE
Sequential Overlapped
Coupled
IEEE-488 RS-232
x x xx
x
(Service Request Enable command) Loadsa byte into the Service Request Enable (SRE)
register. (See “Service Request Enable Register (SRE)” in Chapter 5. Since bit 6 is not
used (decimal value 64), the maximum entry is 255 − 64 = 191.
Parameter: <value> (the decimal equivalent of the SRE byte, 0 to 191)
Example: *SRE 56
Enable bits 3 (EAV), 4 (MAV), and 5 (ESR).
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