Used to scroll between the displays 
on the main display 
1. Displays Status, echo strength, echo 
confidence and temperature. 
2. Displays Distance, Level, Space, 
Temperature and Head (when Ultra 
Wizard = Flow). 
3. Displays echo confidence, H.A.L.L, 
average noise, peak noise. 
4. Displays instantaneous mA output.  
If enabled, Daily, system and 
resettable totalisers are displayed. 
5. Moves through different trending 
points setup on the Trend screen. 
6. Moves through the different Info 
screens on the Info display. 
Used to confirm each action 
(for example select a menu 
option) or when entering a 
parameter number or value. 
Also used to confirm 
questions asked by your 
Ultra 4 such as before 
restoring factory defaults.