Elo TouchSystems 1525L manual Through the device, the driver sends the respective response

MagTek Device Drivers for Windows

Read	Description
Argument
chk_or_card	Read magnetic stripe card or check data. When a card or check is swiped
	through the device, the driver sends the respective response.
key_press	Display a message (msg4) on the LCD screen, if available, and wait for a
	key on the keypad to be pressed. The device will wait for entry_tout
	seconds for the key press (by default 0 for no timeout). The response to
	this command is: /read KXXXSS K
	XXX is the number of keys collected. Always 001 on successful read,
	000 if failed.
	SS is a two-digit status code: 00 – successful read, 81 – timeout, etc.
	K is the ASCII representation of the pressed key (if SS is 00).
key_string	Display a message (msg4) on the LCD screen, if available, and collect a
	string of key presses (digits) from the device. The following properties
	affect this command:
	• entry_tout – number of seconds to wait for input (by default 0 for
	no timeout)	no timeout)
	• entry_echo – how to display the characters entered from the
	keypad on the LCD screen: empty value to display as entered,
	- (minus) to suppress display, $ to display as amount. Empty by
	default.
	• entry_len – maximum number of characters to be collected.
	An empty value for this property is interpreted as a length of 1 by the
	device (default).
	The response to this command is in the following format:
	/read KXXXSS data
	XXX is the data length in characters
	SS is a two digit status code:
	00 – successful read
	81 – timeout
	83 – input aborted, etc.
	data is the string collected from the device.

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