Specifications
PERFORMANCE
TESTS
9. Press the 'TEST START' softkey.
NOTE
Check the settings
of
S1
and
S2
described in the Step 1, if the
HP
4285A's
LCD displays "E74:lIlegal test setup".
10.
Confirm that the /RESET LED on the bias interface simulator turns ON.
11. Confirm that the
CSO
and
CS1
LEOs on the simulator turn
ON
as
the
HP
4285A's
output
signal is displayed on the LCD. (Refer to Figure 1-19).
12. Confirm that
AORS1-AORS6 LEOs on the simulator
turn
ON
in accordance with
the
hexadecimal number displayed on the LCD. One of the 6
LEOs
turns
ON
in
sequence
as
shown in Figure 1-19.
13. Confirm that
000-007
LEOs on the simulator turn
ON
in accordance with the
hexadecimal number displayed on the LCD. One of the 8
LEOs
turns
ON
in
sequence
as
shown in Figure 1-19.
<.0
LD
-<::t.
0)
·N
.,.....
o..-(/)(/)(/)(/)(/)(/)
I I
ecececececec
(/)(/)000000
00««««««
00000000
r---<..OlO'<j"
(Y)N..-O
00000000
00000000
00000000
Figure 1-19. Accessory Control I nterface Function Test
14.
Confirm that
"010
TO 7" and
"018
TO
15" on the LCD of the
HP
4285A display
hexadecimal
number "FF".
15. Set switches
S1
and
S2
on the bias interface simulator to '0'. Then confirm that
hexadecimal
number
"00" is displayed by
"010
TO
7" and
"018
TO
15".
NOTE
The states
of
S1
(010
TO
7)
and
S2
(011
TO
8)
are displayed
as
a hexadeci-
mal
number on the HP 4285A's LCD.
16. Press the 'TEST END' softkey.
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