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Section 2. Features & General Information
2.1 Features
• Backlit keypad for use in low light environments
• Up to 10 code combinations, including: passage, user and master codes
• Passage Mode for hassle-free entry
• User-friendly instructions for DIY use
• An LED indicator lights up to show when codes and commands have been successfully entered
• Built-in disguise feature to protect your codes from prying eyes
• Low battery warning indication
2.2 General Information
The YL-99 electronic lock is capable of storing up to 10 codes: 1 master code, 1 passage code,
and 8 user codes. All codes are allocated a starting number or sequence number. The starting num-
bers are as follows, ‘0’ for the master code, ‘1-8’ for the user codes, and ‘9’ for the passage code. The
master code must be set up in order to input additional codes.
This user manual will guide you through the functions and installation of your YL-99. If you have
any questions or cannot find the information you need in the manual, please contact your place of
purchase or our customer service immediately. Before contacting customer service, please have your
model number and purchase information ready as any of these may be needed during the call.
