SecurityMan DVR-04 Guide d'installation télécharger pdf (Page 29)

Chapter 3: First-Time NT500 Offline System Installation & Setup

3 – 11

NotesA total is calculated as the sum of the Card Length, Facility

Code Length, and Issue Code Length.

The bar at the bottom of the window indicates the card

format information locations and lengths.

6 If the issue code look ahead feature is desired, check the

Issue Code Look Ahead check box.

The following figure illustrates how the look ahead and issue

code features are applied.

Figure 3.5 New card format-Layout tab

Figure 3.6 Issue code look ahead feature

Lost card Newly

encoded

card

Issue codes

Auto

update

offset

of 1

range

of 3

valid

issue

codes

new offset

new

range

lost card

does not wor

NT500 Lock Same NT500 Lock

after use of the 1001

issue code 01 card

Issue codes

1001 issue code: 00

1001 issue code: 01

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 73 74

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SecurityMan DVR-04 Guide d'installation Page 29