Read Sharp UP-5700 (serv.man7) Service Manual online
[Jumper switch]
Jumper switches the following functions for UART1 and UART2 in the
PSC2.
PSC2.
SW
Function
OFF (value = 1)
ON (value = 0)
7
COM3 & COM4 IRQ
assign
assign
COM3 = IRQ11
COM3 = IRQ4
COM4 = IRQ10
COM4 = IRQ3
8
G/A UART1&2
decode mode
decode mode
COM3 & COM4
COM5 & COM6
*
When SW8 is set to ON, the setting of SW7 is not valid.
3-8. Power switch
The power switch is used to turn the POS terminal on or stand-by
If the communication function is used, the AC power can be turned off
by software operation for power saving after communication.
by software operation for power saving after communication.
[Out line]
The power switch has the positions ON and OFF (Stand-by)
ON position:
Usually the power switch needs to be set to this posi-
tion when the POS-terminal is operated.
tion when the POS-terminal is operated.
OFF position: This position is used to turn the stand-by mode. When
the power switch is set to this position, power supply
stops automatically. But if the software program con-
trol the power supply to hold, even if the power switch
is set into this position, power supplying will be kept
until an software program allows power supply no to
hold.
stops automatically. But if the software program con-
trol the power supply to hold, even if the power switch
is set into this position, power supplying will be kept
until an software program allows power supply no to
hold.
[Operating method]
The power switch is a seesaw switch, and it can be tipped toward the
ON or OFF.
ON or OFF.
3-9. Clerk key
Item
Specifications
Type
1-hole (8bit)
Number of keys
6 kinds x 2 pcs.: Standard
Max. 120 kinds: Service root option
Max. 120 kinds: Service root option
4. Software
4-1. Software Structure
The basic system software is mainly consisted of the following 3
modules.
modules.
(1) MS-DOS Version 6.22
The operating system (MS-DOS Version 6.22) is stored in MROM
disk.
disk.
(2) Drivers
There are following types of drivers
•
POS Device Driver (for Clerk, Buzzer, Drawer, Timer, MCR, Line
Display, Serial Port) POS device drivers adopt same control
method as the control of former (ER-A850/A880) software.
Display, Serial Port) POS device drivers adopt same control
method as the control of former (ER-A850/A880) software.
•
SRN Driver
•
Touch Panel Driver
(3) POS Device Middleware
Middleware helps improve development of applications.
(4) Software Structure
ON
OFF
8 7
Power switch
Application
POS Utillty
POS Device
Mifddle Wsre
Mifddle Wsre
MS-DOS Version 6.22
SRN
Driver
Driver
Touch
Panel
Driver
Panel
Driver
DOS Devlce Driver
BIOS
Provided from SHARP
Hardware
Standard PC
Device Driver
(Local production)
SCSI
Ethernet
.......etc
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