Sharp ER-A770 Manual page 18

Symbol/PartsCod)
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MRS-2 (Master resetting 2)
Used to clear all memory and keyboard contents. This reset returns
all programming back to defaults.
The keyboard must be entered by hand. This reset is used if an
application needs different keyboard layout other than that supplied
by a normal MRS-1.
PROCEDURE
1) Turn off the AC switch.
2) Set the reset switch to "ON" position
3) Turn on the AC switch. (Wait one second)
4) While holding down MRS-2 key , turn to "OFF" the reset switch.
MRS-2 key: The key located on Right upper corner of the
keyboard.
keyboard layout
5) Enter the password key operation
DISPLAY:
ENTER PASSWOPRD
Password input procedure: Press the four corners of the key-board
in the sequence of a, b, c, and d.
c
b
keyboard layout
6) Set the fixed keys in the table below. (Start from the zero "0" key,
The keys are displayed sequentially.)
DISPLAY:
[Key setup procedure]
MRS-2
executed
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.
MRS-2 Key
3: When relocating the keyboard, the PGM 1/2 mode use
standard key layout.
Key Key
No. name
001 "0" key
002 "1" key
003 "2" key
004 "3" key
005 "4" key
006 "5" key
007 "6" key
008 "7" key
009 "8" key
010 "9" key
7) Master reset is started.
DISPLAY:
8) After completion of the master reset, the buzzer sounds three
times and the following SRV mode display is shown.
DISPLAY:
a
d
ENTER 0 KEY
Key
0 Free key
position set
0
Disable
Key Key
Key name
No. No.
011 "00" key 021 RIGHT " " key
012 "000" key 022
013 Decimal point " " key 023
014 "CL" key 024
015 " " key
016 "SBTL" key
017 "MODE" key
018 UP " " key
019 DOWN " " key
020 LEFT " " key
MASTER RESET
Setup
complete
Key name
"CANCEL" key
"ENTER" key
"TL" key