· 1. the patrolling guard takes the reader and read his own guard id to identify himself with the...

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Page 1:  · 1. The patrolling guard takes the reader and read his own Guard ID to identify himself with the system 2. Then the guards go to the checkpoints, the Reader will automatically
Page 2:  · 1. The patrolling guard takes the reader and read his own Guard ID to identify himself with the system 2. Then the guards go to the checkpoints, the Reader will automatically