6-2 Chapter 6: Operation

About Using the Operator Controls

Scan Windows

The NCR 7870 contains a vertical and horizontal scan window. The vertical scan window is mounted in a Tower Cabinet that rises above the checkstand surface. The horizontal scan window is flush-mounted in the Top Plate.

Status Indicators

Status Indicator

Function

Occurs

 

 

 

Red

Indicates unit is in standby

Between scanning.

(Steady)

mode to read next label.

 

 

 

 

Green

Flashes once to indicate a

After scanning.

 

successful bar code read.

 

 

 

 

Yellow

Indicates scale has been

When Scale Zero

 

reset/zeroed.

button is pressed.

 

Signals a scale error code may

Primarily during

 

be on display.

Power Up.

 

 

 

Red

Indicates unit is off-line. Host

When IBM 468x

(Slow

terminal may be off or

communication is

interface cable is not

used.

Flash)

connected.

 

 

 

 

 

 

Red-Green

Indicates Failure Mode. A

During Power Up.

Flashing

scanner error code will be

 

 

repeated.

 

 

 

 

Red-Red-

Three red flashes indicate an

After scanning an

Red

item is not on record in price

item.

 

lookup file.

 

 

 

 

Red-Green

Sleep Mode

During operator

Alternate

 

inactivity.

 

 

 

Page 106
Image 106
NCR 7870 manual About Using the Operator Controls, Scan Windows, Status Indicators