Sam4s SPS-1000, Programming Manual

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S-Mode Programming SPS 1000 Program Manual
Memory Clear
CAUTION: The procedures described in this area are security sensitive. Clearing all
or parts of the SPS-1000 memory may cause damage or loss to the program. Do not
share this information with unauthorized users and distribute the special S-Mode key
only to those you may want to perform these functions.
Memory All Clear
Complete clearing of all memory areas and installation of the default program can be done
through the following special procedure:
1. Turn the power switch located on the right side of the register to the OFF
position.
2. Turn the control lock to the unmarked position one position clockwise from the
PGM position.
3. Press and hold the key position where the CHECK key is located on the default
keyboard layout.
1
SBTL
3 2
4
CHECK
6 5
7
TND1
9 8
0
CASH
.
00
4. While continuing to hold the CHECK key while turning the power switch to the
ON position.
5. Press the upper left key of the keyboard, then the lower left key, then the upper
right key, and finally press the lower right key.
TO MEMORY ALL CLEAR:
Press and hold this key position
during power-up in S-mode.