Read Sharp ER-A750 (serv.man5) Service Manual online
PROGRAMMING MANUAL
CODE: 00ZERA750VPME
POS TERMINAL
MODEL
ER-A750
(For "V" version)
CHAPTER 1. SRV RESET (Program Loop Reset) and switch to SRV mode . . . 1
CHAPTER 2. MASTER RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
CHAPTER 3. READING OF SRV MODE PROGRAM . . . . . . . . . . . . . . . . . . . . . 4
CHAPTER 4. SRV MODE PROGRAMMING . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
CHAPTER 5. IRC SETTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
*
For setting in PGM1 or PGM2 mode, refer to the Operation Manual.
CONTENTS
SHARP CORPORATION
Major keys used in the SRV mode
The following major keys are used in the SRV mode.
FUNCTION
KEY
DESRIPTION
COURSOR UP
↑
Moves cursor up
COURSOR DOWN
↓
Moves cursor down
COURSOR RIGHT
→
Moves cursor right
COURSOR LEFT
←
Moves cursor left
PAGE UP
PAGE UP
Moves page up
PAGE DOWN
PAGE DOWN
Moves page up
CLEAR
CL
Clear numeric entry or error message
CANCEL
CANCEL
Operaation cancel & back to previouse menu.
ENTER
ENTER
Data entry
ALL ENTER
TL
All entry terminate.
TOGGLE SELECT
“.” (DECIMAL POINT)
Toggles between selections
OPEN SUB MENU
ST
Open sub menu
CHAPTER1. SRV RESET (Program
Loop Reset) and
switch to SRV mode
switch to SRV mode
In the ER-A750, the following reset switch (location No.: S2) is used
to switch to the service (SRV) mode and to reset.
to switch to the service (SRV) mode and to reset.
SRV. reset
Used to return the machine back to its operation state after a lock up
has occurred.
has occurred.
PROCEDURE
1) Turn off the AC switch.
2) Set the reset switch to “OFF” position
3) Turn on the AC switch.
4) Turn to “ON” the reset switch.
5) The SRV mode is displayed as shown below.
DISPLAY:
Reset
switch
switch
1Side(Rear side):"ON" position(Reset state)
3Side(Front side):"OFF" position(Reset cancel)
– 1 –
CHAPTER 2. MASTER RESET
(All Memory Clear)
There are two possible methods to perform a master reset.
MRS-1 (Master resetting 1)
Used to clear all memory contents and return machine back to its
initial settings.
initial settings.
Return keyboard back to default for default kyeboard layout.
PROCEDURE
1) Turn off the AC switch.
2) Set the reset switch to “OFF” position
3) Turn on the AC switch.
4) While holding down MRS-1 key , turn to “ON” the reset switch.
*
MRS-1 key : The key located on Left upper corner of the key-
board.
Keyboard layout
5) Enter the password key operation
DISPLAY:
ENTER PASSWORD
Password input procedure: Press the four corners of the key-
board in the sequence of a, b, c, and
d.
d.
Keyboard layout
6) Master reset is started.
DISPLAY:
MASTER RESET
7) After completion of the master reset, the buzzer sounds three
times and the following SRV mode display is shown.
DISPLAY:
MRS-1 Key
a
c
d
b
– 2 –
