Read Sharp ER-A770 (serv.man11) User Guide / Operation Manual online
Before Operating the POS
Terminal
Terminal
This chapter describes those steps required to take when you use the POS terminal for the first time.
Display Adjustment
You can adjust the brightness and contrast of the display by using the corresponding controls.
Connecting the Printer and Installing the Paper Rolls
Before using the POS terminal, connect a printer and install paper rolls. For those operations, see the
printer’s manual.
The ER-A770 may be configured with multiple types of printers offered in the market. For specific
instructions related to the handling and care of the printer, please refer to the applicable printer instruction
manual.
printer’s manual.
The ER-A770 may be configured with multiple types of printers offered in the market. For specific
instructions related to the handling and care of the printer, please refer to the applicable printer instruction
manual.
• Brightness control
Turning the control backwards
darkens the display and turning it
forwards brightens the display.
darkens the display and turning it
forwards brightens the display.
• Contrast control
Turning the control backwards
darkens the display and turning it
forwards lightens the display.
darkens the display and turning it
forwards lightens the display.
2
The backlight in the display is a consumable part.
When the LCD display may no longer be adjusted and becomes darker, you should change the backlight.
Consult your authorized SHARP dealer for further details.
When the LCD display may no longer be adjusted and becomes darker, you should change the backlight.
Consult your authorized SHARP dealer for further details.
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