Specifications

ER-390M Electronic Cash Register AU Getting Started •13
Memory Clear
Memory All Clear (RAM Clear)
CAUTION: The procedures described in this area are security sensitive. Clearing all or parts of
the ER-390M memory may cause damage or loss to the program. Do not share this
information with unauthorized users and distribute the special SERVICE-Mode
key (C-Key) only to those you may want to perform these functions.
Perform "Clear All Totals", or "Clear PLU File" if you wish to clear only parts of ER-390M
memory. Complete clearing of all memory areas and installation of the default program can be done
through the following special procedure:
To Perform a Memory All Clear (reset memory completely):
1. Turn the power switch located on the right side of the register to the OFF position.
2. Turn the control lock to the S-Mode (one passed PGM-Mode as a hidden position).
3. Press and hold the key position where the CHECK key is located on the default
keyboard layout.
4. Continue to hold the CHECK key while turning the power switch to the ON position.
5. After hear BEEP, release CASH key.
6. Press the upper left key (PLU 1)of the keyboard, then the lower left key (PLU 6), then
the upper right key (CLERK #), and finally press the lower right key (CASH).
27 45 39 33 3 21 15 9 51 VOID 57
26 44 38 32 2 20 14 8 50 C/CONV56
28 46 40 34 4 22 16 10 52
52 43 37 31
1
19 13 7 49
PAPER
FEED
55
RETURN58
29 47 41 35 5 23 17 11 53
ERROR
CORR
59
30 48 42 36
6
24 18 12 54 CANCEL60
8 7
PLU CLEAR
RECD
AC CT
#/NS
5 4
2 1
00 0
CHARGE
9
%1 X/TIME
CLERK
#
PAID
OUT
CHECK
6
SBTL
3
CASH
•
7. When memory is cleared, the register prints a message “RAM ALL CLEAR OK!”