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Local lockout demonstration, example program 2, Local lockout, Demonstration – HP 8360 User Manual

Page 119: Example program 2

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Program Comments

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

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

P R I N T " V e r i f y t h a t a l l k e y s a r e i g n o r e d ,

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')

h a v e n o e f f e c t . "

PRINT . . . . . press CONTINUE"
PAUSE
LOCAL Source
PRINT
PRINT "Source should now be in LOCAL mode."
P R I N T " V e r i f y t h a t t h e s y n t h e s i z e r ' s k e y b o a r d

i s f u n c t i o n a l . "

END

To verify and investigate the different remote modes do the following:

1. Reset the controller.

2. On the synthesizer: Press

Getting Started Programming 1-89