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NCR NCR 5972 Home Theater Screen User Manual

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Chapter 4: Programming Set Up 4-5

Erase Display

Format: 1B 02

Description: Thiscommandclearsallofthedisplayedcharacters

bywritingaspacetoeachdisplayposition.Aspaceisdefinedas

character0x20ofthecurrentcharacterset.Thecursormovestothe

0position.

Set Diagnostic State On

Format: 1B 04

Description: ThisstateisexclusivefromtheOnandLowPower

States.Thiscommandcausesthefirmwaretodisplaythecurrent

firmwarepartnumberofthedeviceforfiveseconds,andthenstep

througheachinstalled256‐characterset(defaultanduser‐defined)

displayingonecharacteratatime

onall40displaypositionsata

rateofaboutonecharacterpersecond.Thefirmwarestartswiththe

currentlyselectedcharacterset,andthendisplaysallofthe

charactersfromtheothersetsthesameway.Thiscontinuesuntil

oneoftheotherstatecommandsisperformed.Priordisplay

datais

savedandcanberestoredbeforesendingtheSetDisplayStateOn.

Note: TheLCDonlyhasonecharacterset.

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