3-14, Command Descriptions 7-17-01 Digital488 User’s Manual
K#
End Or Identify
K0
EOI enabled
K1
EOI disabled
M## Service Request
M0
SRQ is disabled
M1
SRQ on Service input transition
M2
SRQ on EDR input transition
M4
SRQ on Bus error
M8
SRQ on Test error
M16
SRQ on Ready
Note: the status indication reflects the sum of all received Service Request commands.
P# Selected Port
P0
All ports selected
P1
Port 1 selected
P2
Port 2 selected
P3
Port 3 selected
P4
Port 4 selected
P5
Port 5 selected
R#
Data Ready
R0
Data is not latched, but is read when Digital 488 is
addressed to talk
R1
Data is latched on EDR transition
T#
Test LED
T0
Perform RAM and ROM test
Y#
Terminator
Y0
CR LF
Y1
LF CR
Y2
CR only
Y3
LF only
Terminator Yn
The IEEE 488 bus terminator defaults at power-on to the settings on Switch S1. It also may be programmed
for any combination of Carriage Return (CR) and Line Feed (LF). The Y0 mode is the most commonly
accepted terminator, CR-LF. Y1 reverses the sequence to send LF-CR. Y2 sends CR only and Y3 sends
LF only.
Y0
CR LF
Y1
LF CR
Y2
CR only
Y3
LF only
Example:
CLEAR 718
OUTPUT 718;"Y3X"
select line feed terminator
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