Cognitive Solutions A799 Select character size, Select or cancel white/black reverse print mode

60 Chapter 4: Programming CommandsRevision D 12/09

Select character size

ASCII		GS ! n
Hexadecimal		1D 21 n
Decimal		29 33 n
Value of n:		1–8 = vertical number of times active font
		1–8 = horizontal number of times active font
Range of n:		00–07, 10–17, ...70–77
Default of n:		11 hexadecimal
Selects the character height using bits 0 to 2 and selects the character width using bits 4 to 6, as follows:
With smoothing enabled, maximum value of 0 + n is 66.
Character width selection
					Character height selection
	Hex	Decimal	Width
					Hex	Decimal	Height
	00	0	1	(normal)
					00	0	1	(normal)
	10	16	2	(two times width)
					01	1	2	(two times height)
	20	32	3	(three times width)
					02	2	3	(three times height
	30	48	4	(four times width)
					03	3	4	(four times height)
	40	64	5	(five times width)
					04	4	5	(five times height)
	50	80	6	(six times width)
					05	5	6	(six times height)
	60	96	7	(seven times width)
					06	6	7	(seven times height)
70		112	8	(eight times width)
					07	7	8	(eight times height)

This command is effective for all characters (except for HRI characters).

In standard mode, the vertical direction is the paper feed direction, and the horizontal direction is perpendicular to the paper feed direction. However, when character orientation changes in 90 degree clockwise-rotation mode, the relationship between vertical and horizontal directions is reversed.

In page mode, vertical and horizontal directions are based on the character orientation. When characters are enlarged with different sizes on one line, all the characters on the line are aligned at the baseline.

The select print mode (1B 21 n) command can also select or cancel double-width and double-height modes. However, the setting of the last received command is effective.

Exceptions

If n is out of the defined range, this command is ignored.

In native mode, the vertical direction is limited to 7 (seven times height) when Tall or ColorPOS® font is selected. If 8 (eight times height) is selected, the results are unspecified.

Related information

In A793 emulation, this command is discarded and not put into print buffer.

Select or cancel white/black reverse print mode

ASCII	GS B n
Hexadecimal	1D 42 n
Decimal	29 66 n
Value of n:	0	= Off
	1	= On
	(When 0 and 1 are the least significant bit, LSB)
Range of n:	0–255
Default:	0	(Off)

A799-PG00001D