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5.2
Interface structure
Figure 13: Interface structure
5.3
Access to options – log on mechanism
Because the unit has options that may have a significant impact on Sigma Gas detection system operation
parameters, and consequently, on safety level, the access control has been introduced. There are 3 system
access levels. They include:
level 0 – basic – it allows for viewing indications and additional system information,
level 1 – operational, password-protected – it allows for performing normal operations, including:
detector lock cancellation,
level 2 – allows for parametrization, password-protected – it allows for changing system operation
parameters.
The default access level is level 0. Each user possessing access to the Control Unit Interface, operates at this
level. If the user tries to choose an option for which a higher access level is required, the unit requests to
enter an access password.
If the user enters a correct password, he will be logged on to proper access level, thus gaining access to the
chosen option. The user returns to the basic access level (level 0) when:
p. 18|38
User's Manual: POD-026-ENG R17
Interface test /
Welcome screen
System view
TEST
Detailed view
Detector 1
...
Detector n
Control Unit
Detector Menu
Control Unit Menu
1. [0] History
2. [0] Detector Info
3. [0] Concentration diagram
4. [1] Cancel lock
5. [2] Zero the detector
6. [2] Noise gateway
7. [2] Alarm threshold
8. [1] "Inhibit" mode
9. [1] Set location
10. [0] Log off
1. [0] Events history
2. [0] Unit info
3. [1] Output test
4. [0] History
5. [2] Set time
6. [0] Language
7. [1] Level 1 password
8. [2] Level 2 password
9. [2] Buzzer setting
10. [2] Display setting
11. [2] Detector setting
12. [2] Output setting
13. [2] DI setting
14. [2] Extension module setting
15. [0] Log off
Access to options
[0] No limits
[1] Level 1 password
[2] Level 2 password
