22 
Touch screen monitor controls 
The SelfCheck system uses a touch screen monitor to guide customers 
through check-in and checkout. To adjust the display, use the monitor’s on-
screen menu to adjust display characteristics, such as brightness, contrast, 
and color. Do not change the display resolution, for the default resolution is 
optimized for the SelfCheck system graphics. 
To adjust the display 
1  Press the menu key to display the main menu. 
2  Using the selection keys, make adjustments as 
required. 
3  Exit the main menu by pressing the menu key 
again. 
To lock the controls 
MENU
Microphone
Power LED
?/Right
?/Left SELECT
 
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SelfCheck system monitor controls 
1  Press SELECT, and then press the left arrow key (◄). Press both keys 
for 10 seconds. DO NOT RELEASE. 
2  While continuing to press the first two keys, press the right arrow key 
(►), and then hold all three keys for an additional 10 seconds. 
To unlock the controls 
Repeat the procedure for locking the controls.