TM 5-3895-359-14&P
SUGGESTED EXTERNAL POWER SOURCE
An external power source may be easily constructed for
calibrating the V.P.I. system by following the diagram
illustrated.
FIGURE 11
MATERIAL LIST
2 - 11/2 Volt Batteries
1 - Switch (On-Off)
2 - 50 Ohm Potentiometers
1 - Suitable Box or Container
Whenever a new fluid meter assembly is installed in the
V.P.I. system, the V.P.I. panel must be recalibrated
with the meter.
FIGURE 10
13-6
