Watchguard Firebox X1250E Hardware Manual page 32

Example
To see the CPU temperature of the Firebox from your LCD dis-
play, use the Right button to scroll through options until you
see Hardware Monitor. Then, use the Down button to move
into the "tree" view. Use the Right button to scroll through the
Hardware Monitor entries until you find the CPU temperature.
Use the Up button to return to the main category level.
14 Hardware Guide