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How to use
dt777E ENTER
To check D PCB (dt777E.exe), you will have to enter into serial communication for D PCB alone.
For host computer use 1 MB PC-AT compatible. Add check circuit to connectors as needed.
Version display
Self test of DRAM
Check of control block
Voltage detect test
Mode detect test
Detects each key
LED display test
LCD display ON/OFF test
Sub LCD display test
TEST contents
Displays ROM version.
Read/write check of video buffer area only.
If no errors are found "OK" will be displayed. If any errors are
found FLASH memory will be formatted. (about 30 seconds)
In this case, all the pictures in memory will be deleted.
Displays the voltage detected by HIGH, MID, and LOW.
Detect REC/PLAY mode, video out mode, AC adapter mode,
and displays result.
Test by pressing keys. Press the key that is shown on the display.
Test operation display of self timer, follow the procedures shown
on display, and check if the lights go on.
Turn LCD display OFF then turn it ON again
Follow the procedures shown on the display.
Display all segments, then erase them.
Follow the procedures shown on the display.
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