
UP-810F/820N/820F (U) TOUCH PANEL CALIBRATION, MASTER RESET AND PROGRAM RESET
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CHAPTER 1. TOUCH PANEL CALIBRATION, MASTER RESET AND PROGRAM
RESET
1. TOUCH PANEL CALIBRATION
1) Calibration is started at the following cases:
• Case1: When PROGRAM reset/MRS is performed with the touch
panel pressed.
• Case2: When the calibration data held by the touch panel controller
is broken.
(However, if case 1 is performed prior to the second, calibration is
not performed.)
• Case3: When the EEPROM on the touch panel PWB is replaced.
* If the touch panel unit is replaced for any reason such as a repair,
start calibration, following case 1.
2) “Calibration Mode” is displayed.
Touch cross marks by the display guidance.
2. MASTER RESET (ALL MEMORY CLEAR)
[MRS1 key & MRS2 & MRS3 key]
Position of MRS1 & MRS2 & MRS3 key is as follows.
(It is located in the upper left corner)
MRS1 key : B key
MRS2 key : A and B key
MRS3 key : B and C key
Key board layout
[Secret key operation]
This operation is used as password of MRS operation.
The following key sequence has to be entered after reset action.
If you operate wrong sequence then program reset is not performed.
a : The key located on right upper corner.
b : The key located on left lower corner. (Flat keyboard)
b’: The key located on left lower corner. (Normal keyboard)
c : The key located on left upper corner.
d : The key located on right lower corner.
• a3b3c3d
Key board layout
AB
C
c
bb' d
a
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