4
English
When this occurs, either continue looking for a higher 
concentration of refrigerant or move to an area of lower 
concentration to reset the zero point.
c. When a leak is identified, pull the probe away from the leak for a few 
seconds and return to the suspected leak site to verify the leak.
NOTE: For large leaks or for SAE applications, press the 
SENS/ZERO button to switch the sensitivity mode. The 
current sensitivity is displayed on the screen.
NOTE:
Do not use the 
Super
 sensitivity setting for SAE applications.
4.  Manual Zero mode
Manual Zero mode operates in a similar way to Pinpoint mode, but 
allows the user to manually zero the instrument to the background 
refrigerant by pressing the SENS/ZERO button.
NOTE: There is no sensitivity setting in Manual Zero mode.
5.  Removing and installing the lithium ion battery
a. Press the eject button to release the battery cover.
b. Move the battery release tab to the side until the battery begins 
to eject.
c. Slide the battery out.
d. Align the new battery with the rails.
e. Gently push the battery along the rails until the battery release 
tab engages.
NOTE: Do not force the battery. If it does not slide freely, check 
alignment and try again.
Eject 
button
Battery 
Release