Service manual

PROCEDURE
1) Turn off the AC switch.
2) Set the resetswitch to "ON" position.
3) Turn on the AC switch. (Wait one second)
4) While holding down MRS-3 key , turn to "OFF" the reset switch.
MRS-3 key: The key located on Left lower corner of the key-
board.
5) Enter the password key operation
DISPLAY:
Password input procedure:Press the four corners of the key-board
in the sequence of a, b, c, and d.
6) The products serial No. input window is displayed as shown be-
low.
DISPLAY:
Enter the products serial No. of this POS and enter the [CA/AT] key.
7) Set the fixed keys in the table below. (Start from the zero "0" key,
The keys are displayed sequentially.)
DISPLAY:
[Key setup procedure]
NOTES:
1: When the 0 key is pressed, the key of the key number on
display is disabled.
2: Push the key on the position to be assigned. With this, the
key of the key number on display is assigned to that key
position.
3: When relocating the keyboard, the PGM 1/2 mode use
standard key layout.
Key
No.
Key
name
Key
No.
Key name
Key
No.
Key name
001 "0" key 011 "00" key 022 "CANCEL" key
002 "1" key 013 Decimal point "•" key 023 "ENTER" key
003 "2" key 014 "CL" key 024 "CA/AT" key
004 "3" key 015 "@/FOR" key
005 "4" key 016 "SBTL" key
006 "5" key 017 "MODE" key
007 "6" key 018 UP "
" key
008 "7" key 019 DOWN "
" key
009 "8" key 020 LEFT "
" key
010 "9" key 021 RIGHT "
" key
8) Master reset is started.
DISPLAY:
9) After completion of the master reset, the buzzer sounds three
times and the following SRV mode display is shown.
DISPLAY:
MRS-3 Key
keyboard layout
ENTER PASSWORD
ac
db
keyboard layout
SERIAL No.
00000000
ENTER 0 KEY
0 Free key
0
Disable
MRS-3
executed
Key
position set
Setup
complete
MASTER RESET