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48 Non-Contact Tonometer HNT-1/1P ------------------------------------------------------------------------------------------------
4-1-18. How to upgrade OS program
(1)
Turn off HNT-1/1P.
(2)
Start DNW program, set your PC’s COM port number, 115200 Bps.
(3)
Connect PC to HNT-1/1P with serial cable.
(4)
Pressing the button of joystick, then turn on HNT-1/1P
.
(5)
DNW program will show the following screen.
(6)
Select Serial Port => Transmit menu, then File Dialog box pops up.
(7)
Choose HNT-1&1P_D_z.bin file, then press OK button
.