NCR NCR 5972 manual Service, Safety Requirements

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Chapter 5: Service

Safety Requirements

Carefully follow these safety requirements before servicing the Retail Display:

Warning: This device does not contain any user serviceable parts and should only be serviced by a qualified service technician.

Caution: Before servicing the display, disconnect the AC power cord from the retail terminal or PC to which the display is connected. Also disconnect the cables from the PC/terminal to the display.

Caution: For continued protection against risk of fire, replace only with the same type and ratings of fuse.

The fuse is designated F1 in the Vacuum Fluorescent Display.

Pour prévenir et vous protéger contre un risque de feu, remplacer la fusible avec une autre fusible de même type, seulement.

Caution: The power supply cord is used as the main disconnect device. Ensure that the socket outlet is located/installed near the equipment and is easily accessible.

Le cordon d’alimentation est utilisé comme interrupteur général. La prise de courant doit être située ou installée a proximite du matériel et être facile d’accés.

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Contents Userʹs Guide Page Preface Safety RequirementsIntroduction Table of Contents Programming Set Up InstallationService Revision Record Federal Communications Commission FCC Radio Frequency Interference StatementsCanadian Department of Communications Voluntary Control Council For Interference VcciIntroduction Models FeaturesVFD Models Software LCD Models Introduction Working Range Physical EnvironmentTransit Environment Storage EnvironmentVFD Models DimensionsInch Post 119 mm 356 mm 14.1 95 mm 3.75 LCD Models Operational Environment Electrical Environment2x20 Customer Display Parallel Cable VFD Mounting Hole Dimensions2x20 Customer Display Serial Cable LCD Site Preparation Selv Power Source Warning Installing the Customer DisplayCable Requirements Installation GoalInstallation Procedures Power Supply ChoicesRS-232 Serial Interface Micro-controller Test DiagnosticsExternal Memory Test Character VFD Only Firmware Part Number Display Pixel TestHost/Retail Display Command Interface Programming Set UpRetail Display Commands Command Function Format 1B Returns xx yy zz Reset DisplayErase Display Set Diagnostic State OnFormat 1B Set Display State On Set Low Power State OnDisable Cursor Enable CursorSet Screen Save Walk Set Screen Save BlankFormat 1B 0A Enable Character Blink Disable Screen Save OptionTurn On Screen Save Move Cursor Left Disable Character BlinkMove Cursor Right Format 1B 0EMove Cursor Down Move Cursor UpFormat 1B 13 nn Move Cursor To Specified PositionRead Display ID Byte Brightness AdjustmentFormat 1B 17 nn Range 01 ≤ nn ≤ Format 1B Returns 0x8ADisplay ESC Character Read Display ID StringSelect Character Set n Code Page 850 International Character Sets014 Programming Set Up 056 077 078 079 098 099 100 101 120 121 122 123 124 125 140 141 142 143 144 145 161 162 182 183 Programming Set Up 224 225 226 227 228 229 245 246 247 248 249 250 251 252 253 254 255 Code Page Katakana Programming Set Up Programming Set Up Programming Set Up 084 085 086 106 107 108 Programming Set Up Programming Set Up 168 169 170 190 191 192 193 210 Programming Set Up 254 Code Page 866 Cyrillic Programming Set Up Programming Set Up 072 073 074 075 076 077 084 085 086 106 107 108 128 147 148 149 150 171 172 173 174 Programming Set Up Programming Set Up 234 235 236 237 253 254 255 Programming Set Up Safety Requirements ServiceService Servicing the Display Troubleshooting ProceduresNormal Operation Servicing the VFD or LCD Remove only two cabinet screws Remove power from the unit before cleaning Cleaning the Display