Read Sharp RZ-S1120 (serv.man3) Driver / Update online
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2-line Customer Display (VFD)
1.
Plug USB keyboard in to the PoS
2.
Power on the PoS
3.
Press DELETE to enter the BIOS
4.
Scroll along to Advanced
5.
Scroll down to Super IO Configuration
6.
Press ENTER
7.
Scroll down to Serial Port E/5 Configuration
Click on the first or last page to see other RZ-S1120 (serv.man3) service manuals if exist.