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Sharp ER-1911 Service Manual page 16

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1. ER-1921/2396
1. TEST FUNCTIONS (ER-1921/2396)
1-1. Start of test function
The following key operation is required in the SRV1 mode to start the
test.
XXXX [TL] or [CAVAT
T
Test command
time.
1-2, List of test commands
Test No. | Test command
Test description
1
1
Clerk/Made switch test
2
bois
Keyboard test
3
3
Display and buzzer test
L
4
4
Receipt ON/OFF switch test
mate
Drawer open test (The code 6 to 8
at
are for optional drawers)
ba
a)
Continious print tes
10, 11
ROM test
RAM test
Key position code test
10
bug
'Sequential test-1
1
XXXX22
Sequential test-2 (drawer open
ba |
sensor disregarded)
Note: "1XXXX:
'Sum check data for standard key layout
EA-1921 + 1519
ER-2396 — 1589
NOTE-1: Test message is printed on both the receipt and journal
NOTE-2; The contents of the totalizer and the preset values are not
erased by the test.
Test function
1) Test No.1: Clerk and mode switch test
® Key operation
Push the clerk switch -» clerk switch E.
1
[10] or [CHAT]
'Then, push the clerk and mode switches in the following order.
Cierk and mode switch operation
Display
Clerk SW. A
oi
Clerk SW. B
ge
Clerk SW. D
oY
Clerk SW. E
oe
Mode SW PGM
ot
n
@ oryoo
a2
or OFF
A
OPX/Z or TIME
ah
i
REG
u
9
x1
a
Zt
56
x2/Z2
a4
SAVI
2.08
Sag
@ Description
As the clerk and mode switch position number is displayed
check the number.
® Termination
The test can be terminated when the mode switch is tumed
to the SRV1 side from other position.
Termination print at error
———- O1E
Termination print at normal end
01
2) Test No. 2: Keyboard
© Key operation
LX, XX)
X, 02 [Tor [CAAT]
Test command
Sum check data
(1) Enter the test command in succession to the sum check data
of the model.
Sum check data
Model
(standard key layout)
ER-1921
1519"
ER-2596
1580"
* NOTE: Sum check data
The check sum is a decimal number obtained by
converting of the hard code hexadecimal total of all
keys.
and
keys are exception.
(2)Next, push every key on the keyboard except for the receipt
and journal keys.
When the [TL] or [CAVAT] key is depressed, the termination
printout is immediately produced assuming that all keys have
been depressed,
There is no order in which the keys have to be depressed,
[Keyboard position code of model vs, key to be depressed}
[All key position code]
Fig. 1
3D| 35
139 | 1A) 3A] 2A
3E|1E
|3B;0C/1C)1D
t
2F | 1F
34 | 33 | 22
15 | 36
|29 | 2B) 20) 38
oo
10 | 20
24|23}12)
| 05 | 16
|17 | 0B; 09) 18
30/21
03114 13
02 | 26
[27 | 2E|2D/28
00 | 31
01; 41
04 los 07 | 0E/ 00/08

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