NEC DPro2070SB, Service Manual

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1.8.3 Factory mode
This mod can adjust all of items, and also change the factory default adjustment data (reset data).
1.8.3.1 How to entering to Factory mode
The setting of the factory mode is executed by the following procedures.
(1) Power ON with EXIT button pressed, and confirm that the following OSM picture appears.
H 2
- -- -
O W
- -- -
0 1
FAC T D ATA
(3) Press (-) button once to set the data value to 255.
(4) Press (+) button to set the data value to 5.
(5) Press SELECT button to move to the factory mode.
(6) As shown below, the adjustment data (hexadecimal number) and the adjustment group of FAC1,
FAC2 and FAC3.
1.8.3.2 How to cancel Factory mode
Follow the procedure below to cancel the factory mode:
(1) Using the (>) button, select the FAC3 group, and then press the (>) button again. The following OSM
picture will appear.
H 2
- -- -
O W
- -- -
0 1
FAC T D ATA
(2) Press the (+) or (-) button to set the data value to '10'.
(3) Press the (SELECT) button. The factory mode will be canceled.
1.8.3.3 How to enter FACTORY-HV mode
Follow the procedure below to enter the FACTORY-HV mode:
(1) Using the (>) button, select the FAC3 group, and then press the (>) button again. The following OSM
picture will appear.
H 2
- -- -
O W
- -- -
0 1
FAC T D ATA