HP 8360 manual Returns the following information

•DIAGnostics:INSTrument:PRINter:ADDRess <num>

•DIAGnostics:INSTrument:PRINter:ADDRess?

Sets the HP-IB address of the printer to use during some of the calibration procedures when the synthesizer assumes HP-IB control. *RST and power on do not effect this command. The default is 1. The default value is set at memory initialization only.

•DIAGnostics:IORW <num>,<num>

Performs a write to the I/O Device number specified in the first <num> and sets it to the value in the second <num>.

•DIAGnostics:IORW? <num>

Reads from the specified I/O device number and returns the response data.

•DIAGnostics:OUTPut:FAULt?

Returns a string of 16, 1s and OS that are equivalent to the fault display.

Bit 0 = PEAK

Bit 1 = TRACK

Bit 2 = RAMP

Bit 3 = SPAN

Bit 4 = V/GHz

Bit 5 = ADC

Bit 6 = EEROM

Bit 7 = PWRON

Bit 8 = CALCO

Bit 9 = PLLZERO

Bit 10 = PLLWAIT

Bit 11 = FNXFER

Bit 12 = CAL YO

Bit 13 = CAL MAN

Bit 14 = TMR CNFLCT

Bit 15 = SEARCH

•DIAGnostics:RESult?

Returns the following information:

<result>, <test failure>, <manual entry point>

where, <result> is one of the following:

0Diagnosis successful.

1Cannot diagnose; full selftest must be executed first.

2No failures found-all selftests passed.

-1 Cannot diagnose; diagnosis routine failed to isolate failure. (software fault)

<test failure> is the test number of the most relevant failure (-999 if parameter is not used, as in <result> of 1).

S-32 Operating and Programming Reference	HP 8360
User’s	Handbook