Head.latch; Display Parameters; Display.contrast; Display.backlight - Intermec EasyCoder PL3 Programmer's Reference Manual

Display Parameters

EasyCoder PL-Series Printer Programmer's Reference Manual

head.latch

Type: getvar
This parameter refers to the status of the print head latch. The head latch
must be closed for printing.
getvar result Returns ok or open.
Example Description
Syntax
Result

display.contrast

Type: getvar; setvar
This parameter refers to the contrast level on the printer's display.
getvar result Returns the display's contrast level 0 through 14.
Example Description
Syntax
Result
setvar choices 0 through 14, up, down. Default = 7
Example Description
Syntax
Result

display.backlight

Type: getvar; setvar
This parameter refers to the printer display backlight.
getvar result Returns the state of backlight control as on or off.
Example Description
Syntax
Result
setvar choices on, off. Default = on
Example Description
Syntax
Result
Chapter 13— Configuration/Control Commands
Get current status of print head latch.
! U1 getvar "head.latch"
"ok"
Get the current display contrast level.
! U1 getvar "display.contrast"
"7"
Set display contrast level to 8.
! U1 setvar "display.contrast" "8"
Printer sets the display contrast to 8.
Get current backlight setting.
! U1 getvar "display.backlight"
"on"
Turn backlight off.
! U1 setvar "display.backlight" "off"
Printer turns the display backlight off.
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