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Chapter 4: Programming Set Up 4-13
Brightness Adjustment
Format:1B 17nn
Range: 01≤nn≤05
Description: Adjuststhebrightnessoftheentiredisplay.
Individualcharactersordisplaypositionsarenotadjusted.On
powerup,thedefaultbrightnesssettingis5 (100%).
Nn Bri
g
htness
01 20%
02 40%
03 60%
04 80%
05 100%
Note: ThiscommandisnotsupportedbytheLCD.Theonly
actiontakenistotakethedisplayoutofScreenSave.
Read Display ID Byte
Format: 1B 18
Returns: 0x8A
Description: ThiscommandisarequestfortheRetailDisplayto
returnanidentifier.TheRetailDisplayreturnsonebyte(0x8A)that
identifiestheRetailDisplayasa2x20with7x9dotmatrix.