HP 8753E - Page 399

AlODigitalIF
‘Ib observe the A10 analog bus nodes, perform step AlO, below. Then follow the
node-specific instructions
Step AlO.
Press:
Node9
+0.37 V(+O.37 V reference)
.~,,‘....:..~:...:.:.:....~I.~:~:.:.’ . . . . . ::.::.:.:::.:
;..: i~.~.~.~.~.~.~ ~:::::
Perform step AlO, above, and then press IMeas) ~~~~~~~~~:
;
Check for a flat line at approximately + 0.37 V. This is used as the voltage
reference in the “Analog Bus Correction Constants” adjustment procedure. The
voltage level should be the same in high and low resolution; the absolute level is
not critical.
Node10
+2.50 V(+2.50 V reference)
Service Key Menus and Error Messages
lo-33