TM 9-6140-200-14
(5) Using the black dipstick, place a few drops of electrolyte on the exposed
portion of the measuring window (Figure 3-2).
Figure 3-2
(6) Point the tester toward a bright light source. Look into the eyepiece and
locate the rectangle with two calibrated scales. Battery charge readings
are taken from the left scale.
NOTE
If the line where the light and dark areas meet is not
sharp and clear, the plastic cover and measuring
window have not been properly cleaned and dried.
Thoroughly wash and dry the tester until a sharp clear
image is obtained. Repeat test.
3-8
