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10: Setup a variable to contain the HP-IB address of the source.
20: Abort any bus activity and return the HP-IB interfaces to
their reset states.
30: Place the source into LOCAL to
cancel’any
Local Lockouts
that may have been setup. 40: Reset the source’s parser and clear
any pending output from the source. Prepare the source to receive
new commands.
50: Place the source into REMOTE.
60: Clear the display of the computer.
70: Print a message to the computer’s display.
Local Lockout
When the synthesizer is in REMOTE mode, all the front panel
Demonstration,
keys are disabled except the LOCAL key. But, when the LOCAL
Example Program 2
LOCKOUT command is set on the bus, even the LOCAL key is
disabled. The LOCAL command, executed from the controller, is
then the only way to return all (or selected) instruments to front
panel control.
Continue example program 1. Delete line 90 END and type in the
following commands:
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
PRINT "Verify that all keys are ignored,
except the 'LOCAL' key."
PRINT "Verify that 'LOCAL' causes the
REMOTE LED to go OFF."
PRINT
'
. . . . .
press CONTINUE"
PAUSE
REMOTE Source
LOCAL LOCKOUT 7
PRINT
PRINT "Source should now be in LOCAL LOCKOUT mode."
PRINT "Verify that all keys (including 'LOCAL')
have no effect."
PRINT
'
. . . . .
press CONTINUE"
PAUSE
LOCAL Source
PRINT
PRINT "Source should now be in LOCAL mode."
PRINT "Verify that the synthesizer's keyboard
is functional."
END
To verify and investigate the different remote modes do the following:
1. Reset the controller.
2. On the synthesizer: Press
c-1.
Getting Started Programming 1-89