ULTRA 4 INSTRUCTION MANUAL 
 
40 
Hot Keys 
The hot keys have the following functions: 
Used to reset to the resettable 
totaliser on main screen.   
Used to display Normalised 
trace on the Echo screen. 
Switches trending so the 
historical trends on Trend 
screen can be viewed. 
Clears the current value entered 
in a parameter. 
Used to display the Loss limit 
line in the Trace screen. 
Switches trending to view the 
current trends on the Trend 
screen. And also invert the 
screen on the big screen. 
Changes Relay setpoints from 
measurement units to a 
percentage value. 
Used to display the Gate on the 
echo screen. 
Reset parameter to default 
setting. 
Press this to eject the Micro SD 
card safely.  If ‘.’ Is pressed but 
the card is not removed it 
becomes active again after 5 
minutes. 
Used for decimal parameter 
values. 
Toggle between positive and 
negative values. 
 
Numeric Keys 
These keys are used for entering numerical information during 
programming.