Panametrics Sentinel LCT, User Manual

Page: 52 / 248

Chapter 3. General Programming
40 Sentinel LNG User’s Manual
3.4 Unlocking and Locking
To prevent unauthorized tampering with either the display or the user program, the Sentinel LNG has multiple
security codes. Once the security level has been set, one of these codes is required to change just the display
(Display Lock), or the display and the user program (Full Lock).
Note: To speed up the key response of the Sentinel LNG , deactivate CH1-CH4, as described on page 43.
Remember to reactivate the channels when programming is complete.
3.4.1 Unlocking the Sentinel LNG
To unlock the display and/or the user program:
1. Press [ESC], [ENT], [ESC] . A Security Check window, similar to Figure 32 below, appears.
Figure 32: Security Check Window
2. Using the arrow keys, change the code number to the value desired for your security level. The security
passcodes can be configured under USER
®
EDIT PASSCODES when the user is logged in as User Admin.
3. Press [ENT] . The display screen reappears, with the lock removed, partially unlocked, or lettered to represent the
level. Security will remain at this level until you change the level in the user program, as described on the next
page, or if it times out and returns to full lock.
SECURITY LEVEL PASSCODE
Full Lock 0000
Display Locked 2719
User 1 0001
User 2 0002
User 3 0003
User 4 0004
User Admin 0005
Field Service ----
Factory ----
Engineering/Unlock ----