Technical Manual

XNX Universal Transmitter
Section 2 - Installation and Operation
79
Level 1 and Level 2 Passcode
Level 1 and 2 passcode screens give the administrator the ability
to assign new passcodes for either or both access levels.
FromtheCongureSecurityScreen,usethe switches to
highlight Passcode 1. Use
✓
tochoosetherstdigitandthe
switches to decrement or increment the values. Use
✓
to accept
the new value and move to the next digit. Repeat until all four digits
have been selected. Follow the same procedure to change the
Level 2 passcode.
Figure 145. Setting Level 1 Passcode
Use the switches to move to “Accept Settings” on the display.
Choose
✓
to save the settings to the transmitter.
Figure 146. Accept Settings and Security Settings Accepted Screens
2.6 Verifying the XNX Conguration
2.6.1 Test Menu
The test menu icons are shown in this table:
Symbol Description Symbol Description
X
Inhibit Force Relay
Force mA Output Alarm/FaultSimulation
Warning: Keep the passwords in a secure area to prevent
unauthorized access to the transmitter. If the passwords are lost,
resetting the XNX transmitter will require a service technician.
X
Inhibit
Warning: When the XNX transmitter is placed in Inhibit Mode,
alarms are silenced. This will prevent an actual gas event from being
reported. Inhibit Mode must be limited to testing and maintenance
only. Exit Inhibit Mode after testing or maintenance activities.
Figure 147. Inhibit Screen
The Inhibit mode is designed to prevent alarms from being
triggered during testing or maintenance.