NCR 7870 manual Operation

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