NCR 7454 - OS Recovery Procedures via CD-ROM

6-16 Chapter 6: NCR 7454 4x20 Customer Display
Read Display ID Byte
Format: 1B 18
Returns: 0x8E
Description: ThiscommandisarequestfortheRetailVFDtoreturnaidentifier. The 
RetailVFDreturnsonebyte(0x8E)thatidentifiestheRetailVFDasa
4x20with5x7dotmatrix. 
Read Display ID String
Format: 1B 19
Returns: 0x1D,ʺNCR_008‐0221552,_F/W_V1.00.01ʺ
Where 0x1Disa1bytestringlengthindicatorwhichindicatesthe
lengthofthestringthatfollowsthestringlengthindicator. For
example,1DHcharactersaresentafterthestringlengthindicator.
Note:“_”indicatesaspacecharacter(20H).Thequotationmarks“”are
notpart
ofthestringandarenotreturned.
Description: ThiscommandisarequestfortheRetailVFDtoreturnanASCIIstring
withdetailedproductinformation.
Display ESC Character
(Not a supported command)
Format: 1B 1B
Description: ThiscommandisarequestfortheESCcharactertobedisplayedtothe
currentcursorposition.
Select Character Set n
Format: 1B 20 - 1B 21