Techmaster T9530 - LCD Contrast; Language; Membrane Test

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Then the following message will be displayed:
CONTINUE?
Press to confirm.
LOCK X
REMOVED
Always keep the lock connected during removal operations.
Always perform this operation with the door opened.
6.3. LCD Contrast
Use this function to set LCD contrast.
Power up TechMaster and access the Configuration Menu. LCD will
display the message:
INSTALL
LOCKS
Press two times. LCD will display the message:
LCD
CONTRAST
Press . LCD will display the message:
ADJUST CONTRAST
X
Enter a contrast level (between 1 and 9) and press to confirm.
6.4. Language
Use this function to set LCD language.
Power up TechMaster and access the Configuration Menu. LCD will
display the message:
INSTALL
LOCKS
Press three times. LCD will display the message:
LANGUAGE
Press . LCD will display the current set language.
LANGUAGE
ENGLISH
Press to change the language and press to confirm.
6.5. Membrane test
Use this function to test TechMaster membrane.
Power up TechMaster and access the Configuration Menu. LCD will
display the message:
INSTALL
LOCKS