NCR 7870, User Manual, Page: 7 / 228

User's Guide v
Procedure 3: Decreasing Load Test .................... 5-14
Instructions ....................................................... 5-14
Procedure 4: Shift Test ........................................ 5-15
Securing the Calibration Switch ................................ 5-16
Chapter 6: Operation
About Using the Operator Controls............................ 6-2
Scan Windows ........................................................ 6-2
Status Indicators ..................................................... 6-2
Motion Detector...................................................... 6-3
Reset / Scale Zero Button ...................................... 6-3
Audible Tone .......................................................... 6-3
Voice Messages....................................................... 6-3
About Using the Scanner ............................................. 6-4
Proper Label Orientation ....................................... 6-4
Active Scan Zone .................................................... 6-5
Multiple Reads........................................................ 6-5
Bar Code Quality .................................................... 6-6
Operating Instructions ................................................. 6-7
Power Up ................................................................ 6-7
Scanner Only Models ......................................... 6-7
Scanner/Scale Models ....................................... 6-7
Scanning Procedure................................................ 6-8
Instructions ......................................................... 6-8
Not-On-File Error ................................................... 6-8
Weighting Procedure ............................................. 6-9
Instructions ......................................................... 6-9
Changing the Good Read Tone ........................... 6-10
Instructions ....................................................... 6-10
Routine Maintenance.................................................. 6-11
Instructions ....................................................... 6-11