620 Online Tests Displays - IBM 5291 Maintenance Information

620
Online Tests Displays
To select the Display Verification Menu:
1.
2.
Press the 1 key.
Press the Enter key.
DJSl"LAY V£kH ICATl(IN l'l~NIJ
I
SHICI Of"TICIN
fll lllf/N tO PF<1H• 01 THIN f!l"NU
DISf'LAY ATTIO:IJl.IJU:S
lll~'f"LAYAS<L I f:HAkAc:T(F.S
. ~'H( H lfD lNf"IH I IHDS
IUNC'llClN M:YS ANI• flATlli.f~
To select the display attributes option:
1. Press the 1 key.
2.
Press the Enter key.
This display tests the attributes. the Brightness control,
and the alignment of characters on the display screen.
HHHHttHHHHH HHHl4HHH HlfHHHHH HHHHHHH HHt4HHHHHHH HHHHllHH l~HHHHHll llHH~IHHll llHHHHHH!IHH
H IHSF"I AY ArTRIBUTES IHSf·LM Ill H =
F.Ntrl<
c.
TO L'(fTU ... N TO l'l.t'l"lM Vff;Jl"JCATJ(lN f''ll"Nll
I
H
H NCIJ.:HAl · • • • · • · · · · · · · · · ¥''..'0' •. , 1\l<llll
~'PfCHY
Alllo'Jl•tllf.
H
~f"VFR:>t.
ll'IAGF. • • • . • . .
I(. ~t...
Al!ir.ru: ............................... .
H
HH~H
lHTfN!JIY •••••••
~·.;>:•·
..•
At<Cflr • AJ<CJ'ol"rt;llJJl-l.1'1NC1f·Uf.'S1l1VWli:Y7 •
H UNDE.llSC:Okt . . . . . . . . . . . "o:';i4• •.• Al>(flF •
.••A.•l,
l,li.·
I '
':"I •
H NONDISl'LAY •••• , •• , ••• Jl';.>7' . . . HM
/)l~H'.•t"7f<9
•
H 11..JHfl.,,,,,,.,.,,., .•• 1('28' ••• AFICI>£ HH ••••••••••••••••••••••••••••••
H Ctll.UHN Uf'Ali'ltiTOk .•.•• ) • 3<i' ••• Afl~
ror
MH
HHMHHHHHHH HHHHMHH HHHHHHH HH"4HHHH HHHHHHHHHH HHHHHHH MHHHHHH llHHHHHU HHHHHHUHHH
HHHllHHHHHH HHHHHHH HHHHHllH UHHHMHlt HUHHHHHHHH HHHHHllH HHHMHHH HHHHHHH HHHHHHMHMH
H ~ H
H MH H
H ~ H
H HM H
H HH M
H
HH
""
HH
HH
HMMMl.iHHHMH HHMHHHH HMHMHHH Ht*tHHHH HHHHHHHMHH HHHMHMH HHHHHHH HHMHHMH HHHllHHHHHH
61CMl20
Note: The nondisplay attribute (hexadecimal 27) will still
display a blinking rectangle for a normally
nondisplayable character.
How to use this display:
1.
Slowly decrease the Brightness control; observe
the pattern of Hs that alternates in intensity.
2. Adjust the Brightness control to obtain the best
character image.
3.
4.
Press the Spacebar once to position the cursor to
the right of SPECIFY ATTRIBUTES statement on
the display screen.
Key in one of the hexadecimal numbers shown on
the left side of the display screen; press the Enter
key .
Observe the results that take place on the right side of
the display screen. Compare these results with the
attribute description on the left. If a wrong entry is
made, the entry blinks at high intensity. Repeat steps 3
and 4 for each of the remaining hexadecimal numbers.
In addition to the attributes present on the display
screen, the following hexadecimal codes, marked by an
asterisk
(*).
supply combinations of attribute options.
Hex
Code
20
21
22
23*
24
25*
26*
27
28
29*
2A*
2B*
2C*
20*
2E*
2F*
Description
Normal display
Reverse image
High intensity
Reverse image, high intensity
Underscore
Underscore, reverse image.
Underscore, high intensity
No display
Blink
Blink, reverse image
Blink, high intensity
Blink, high intensity, reverse image
Blink, underscore
Blink, underscore, reverse image
Blink, underscore, high intensity
No display
Hexadecimal codes 30 through 3F are the same as 20
through 2F; however, codes 30 through 3F contain
column separators between each character in the field.
Online Tests 3-35
I