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Stand Alone Power Adaptor 15
Chapter 3: Hardware Installation
Introduction 16
Cable Requirements 16
Power Supply Choices 16
Tool Needed 16
Installation Procedures 17
Using Cable Management Bracket 18
Using Strain Relief Bracket 22
Diagnostics 26
Microcontroller Test 26
External Memory Character Test 27
Display Test 27
Chapter 4: Hardware Service
Safety Requirements 28
Servicing the Display 29
Normal Operation 29
Troubleshooting Procedures 29
Servicing the 5977 Customer Display 29
Cleaning the Display 30
Chapter 5: NCR 5977 2x20 Display Programming
Host/Retail Display Command Interface 31
Character Scrolling Rate 31
Retail Display Commands 32
Reset Display 34
Erase Display 35
Invalid Command 35
Set Diagnostic State 35
Set Display State On 36
Set Low Power State On 36
Enable Cursor 37
Disable Cursor 37
Set Screen Save Blank 37
Set Screen Save Walk 38
Turn on Screen Save feature 38
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