White’s Electronics Prizm 6T Owner's Manual page 20

Prizm™ 6T
good quality "AA" alkaline batteries. Battery life will vary with intermit-
tent use,backlight use, temperature, control settings, target indications,
battery quality, battery condition upon purchase, and shelf life. One
may add or subtract as much as 50% depending upon the above
variables. It is always wise to carry back up batteries when traveling
far from home. A three-beep alarm sounds every five minutes when
batteries are too low to operate
Overload Display
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