Sharp ER-A770 Service Manual download pdf (Page 4)

4) Blank key sheet layout

3. Display

1) Operator display

•

Screen example 1 (REG mode)

• Screen example 2 (PGM mode)

Screen save mode

When you want to save the electric power or save the display’s

life, use the screen save function. This function can turn the LCD

backlight off when any server does not operate the POS terminal

for an extended period of time. You can program the time for

which your POS terminal should keep the normal status (in which

the backlight is "ON") before it goes into the screen save mode.

To go back to the normal mode, press any key.

Device type LCD display

Dot format 320(W)

240(H) Full dot

Dot size 0.33

0.33 mm

Dot space 0.03 mm

Dot color White

Back color Dark blue

Weight 180 g

2) Display adjustment

You can adjust the brightness and contrast of the display by using the

corresponding controls.

Received

media

type

Time

Mode name

Tax amount

Server

name

Server code

Window

In the REG mode, it shows sales information you have just

entered such as items, tax amounts and media types.

Price level shift indicator (P1~P5):

Shows the PLU price level currently selected.

Menu level shift indicator (L1~L10):

Shows the menu level currently selected.

Numeric entry:

Entered figures appear at the

cursor position.

Receipt ON/OFF status indicator (R):

Appears when the receipt ON-OFF function

signs OFF. Disappears when the function

signs ON.

Sentinel mark (X):

Appears in the lower right corner of the screen

when the cash in drawer exceeds a programmed

sentinel amount. The sentinel check is performed

for the total cash in drawer.

Sales amount including taxes

Merchandise subtotal excluding taxes

Time

Mode name

Window

In the PGM mode,

programmable items are listed.

Double-size character mode indicator (W):

Appears when the double-size character

mode is selected during text programming.

Caps lock indicator (A/a):

The upper-case letter “A” appears when

Caps Lock is on, and the lower-case

letter “a” appears when Caps Lock is off

during text programming.

Contrast control

Turning the control backwards

darkens the display and turning

it forwards lightens the display.

Brightness control

Turning the control backwards

darkens the display and turning it

forwards brightens the display.

IPL switch cover

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Sharp ER-A770 Service Manual Page 4

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