.he 'DIAGNOSTIC''Page %'
.fo 'Judith Dennison''June 2nd 1978'
.ce2
How to run the diagnostic program
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.sp
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1.  Load the DIAGNOSTIC disc in drive 0 and switch to run.

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2.  Bring the system up as normal.

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3.  The Diagnostic program will prompt you with a full stop
when this happens type:

 	.ARTSE

followed by pressing the ESCAPE button which is located in the top
left hand corner of the keyboard.

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4.  Wait a while for another prompt and then type:

 	.MOD 40
followed by a carriage return.
This will then print out 000040   0010000 type another 0 on the
same line and follow this with a carriage return.

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5.  Then put two scratched disc into drives 0 and 1.

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6.  Clear the console switches (ie. all down) and 
make sure the Plessey drive is write protected
the
Plessey drive should be in the load position, and then
type:

 	.SEL
 	.RUN

Type CTRL-C to halt the diagnostics.

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7.  If it stops, ie. note the address shown onto paper,

 	000 -> 0
 	001 -> 1
 	010 -> 2
 	011 -> 3
 	100 -> 4
 	101 -> 5
 	110 -> 6

then set the switches to 000200 (switch 7 up). Press Load Address
and then Start. Set the switches with switch 12 up and type
 	.SEL
 	.RUN
