User Guide Payment terminals | 13
4.4 iSMP4
4.3 iWL250G/B
Navigation keys to scroll up and
down in menus
Connecting to base
station (iWL250B)
Used to enter the main menu
Used to manually enter card data.
Used to toggle between upper and
lower case letters or from letters
to numbers, and to check balance
Cancels the function and
returns to the main menu
Correct incorrect key entry or return
to previous menu
Confirm entry or menu
selection
F1: Technical main meny (Functions)
F2: Scroll down
F3: Scroll up
F4: Bar code reader activation button
Main menu
Cancels the function and returns to the main menu
Correct incorrect key entry or return to previous menu
Power on + confirm entry or menu selection
Can be used in combination with the yellow button to turn off the terminal (press both buttons simultaneously)
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