Instruction Manual
22
LO BAT 
Maximum Values Allowed 
Unit  Full range  Unit  Full range 
Non contact 
RPM 
99,999 Contact RPM 25,000 
m/min 3810.0 yd/min 4617.0 
ft/min 12,500 in/min 99,999 
in 99,999 ft  99,999 
Yd 99,999 m  99,999 
Replacing batteries
LO BAT flashes on the 
LCD display. 
This indicates that battery 
needs replacement. 
For better performance 
use new Batteries. 
Open battery cover located on the bottom of the 
tachometer. 
Insert 2 new batteries; a sticker can be viewed 
from the case indicating proper polarity. 
Do not mix old and new batteries; this may cause 
leakage on the battery compartment. 
Do not expose battery compartment to liquids, this 
may cause a short inside the terminals damaging 
your tachometer. 
Prior to storage the battery inside the tachometer 
should be taken out and placed on the carrying 
case. 
RPM
 9999.9










