TM 9-2320-302-10
0004 00-3
DESCRIPTION AND USE OF OPERATOR'S CONTROLS
AND INDICATORS - CONTINUED
0004 00
INSTRUMENT PANEL - CONTINUED
Key
Control or Indicator
Function
4
Voltmeter
Indicates rate of battery charge or discharge in volts.
(a)
RED BAND. Below 11 volts indicates a possible
malfunction. Stop and report problem to Unit
Maintenance.
(b)
YELLOW BAND. 11-12 volts indicates batteries
are undercharged. Turn off all electrical circuits,
if possible, and run engine at highest rpm
permitted for existing conditions. If reading is still
not in green band, notify Unit Maintenance.
(c)
GREEN BAND. 13-15 volts indicates normal
operating range.
(d)
RED BAND. Above 15 volts indicates batteries
are being overcharged. Notify Unit Maintenance.
