Microscan Quadrus EZ, User Manual, Page: 323 / 366

Quadrus EZ Reader User’s Manual
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Appendices
Serial Command Status Request
To ensure that any command was received and accepted, you can send the Show Reader
Status command: <?> .
The status of a specific serial command can be requested by entering the command followed
by a question mark. For example, send
<K142?> to request the status of Postamble.
Entering Special Characters in Serial Commands
To enter control characters within a serial command, hold down the control key while typing
the desired character.
Example: To enter a carriage return and line feed ( ^M^J ), enter
<K141,1,CNTL-m CNTL-j>
Entering Special Characters in Embedded Menus
Control Characters
Control characters entered on the command line are displayed in the menu as mnemonic
characters, such as:
<CR><LF><NUL><NUL> .
Press SP (the space bar) once, then enter the control character by holding down the con-
trol key and simultaneously pressing the desired character. For example to define a line
feed, press
SP , then Control and J simultaneously. It is displayed as ^J on the command
line and as <LF> in the menu when the screen is refreshed.
To Define a Carriage Return as a Character
Press SP , then CR . It is displayed as ^M on the command line and as <CR> in the menu
when the screen is refreshed.
To Define a Space as a Character
Press SP twice. It is displayed as a blank space in the menu when the screen is refreshed.
While it appears that nothing has been assigned, the hex value 20 will be sent during data
transmission.
To Select NUL as the Character
Press SP , then a 0 (zero). It is displayed as <NUL> in the menu when the screen is
refreshed.