Custom Audio Electronics FT190 II, User Manual

Page: 29 / 44

$1B $49
[Name]
Select 24 columns
[Format] ASCII ESC I
Hex 1B 49
Decimal 27 73
[Range]
[Description]
On receiving this command, the printer enters 24-column per line printing mode
[Notes]
[Default]
[Reference] $1B
$69
[Example]
$1B $69
[Name]
Select 40 columns
[Format] ASCII ESC i
Hex 1B 69
Decimal 27 105
[Range]
[Description]
On receiving this command, the printer enters 40-column per line printing mode
[Notes]
[Default]
[Reference] $1B
$49
[Example]
(aa) $1B $72
[Name]
Read data at an address (aa)
[Format] ASCII aH aL ESC r
Hex aH aL 1B 72
Decimal aH aL 27 114
[Range]
[Description]
Read a memory location (EEPROM) at address a :
aH is the most signi fi cant nibble of a expressed in ASCII
aL is the least signi fi cant nibble of a expressed in ASCII
[Notes] • There are 256 legible locations (from $00 to $FF)
[Default] The whole memory bank contains the value $20 by default
[Reference] $1B $77
[Example] To read address $01, transmit in ASCII: $30 $31 $1B $72
If address $01 contains $A5, we will receive: $41 $35
4. PRINTER FUNCTIONS
User Manual
FT190 II 4-11