External Tests
These tests require either external equipment and connections or operator
interaction of some kind to run. Tests 30 and 60 are comprehensive front panel
checks, more complete than test 12, that checks the front panel keys and knob
entry.
21
Port 1 Op
Chk.
Part of the “Operator’s Check” procedure, located
in the “Start Troubleshooting” chapter. The procedure requires the
external connection of a short to PORT 1.
22
23
24
Port 2 Op
Cbk. Same as 21, but tests PORT 2.
Fr
Pan
Seq.
Tests the front panel knob entry and all A1 front panel
keys, as well as the front panel microprocessor on the
A2
assembly. It
prompts the user to rotate the front panel knob, then press each key
in an ordered sequence. It continues to the next prompt only if the
current prompt is correctly satisfied.
Fr
Fan
Diag. Similar
to 23 above, but the user rotates the front panel
knob or presses the keys in any order. This test displays the command
the instrument received.
25
ADC
Hist. Factory
use only.
26
Source Ex.
Factory
use only.
Service Key Menus and Error Messages
1 O-1 1
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