TM 9-2320-366-10-1
Figure 2-2. Lighted Indicator Display (Cont)
11. PTO ON Indicator. Illuminates (green) when Power Take-Off (PTO) is engaged.
12. CTIS OVRSPD Indicator. Illuminates (amber) when vehicle speed exceeds safe
limit for selected tire inflation pressure.
13. Fan OFF Indicator. Illuminates (amber) when the radiator fan is disabled for deep
water fording. Indicates the radiator fan off switch is on.
14. REAR BRAKE AIR Indicator. Illuminates (red) when air pressure for the rear
service brakes drops below 65 psi (448 kPa). Audible alarm sounds and STOP
indicator illuminates when REAR BRAKE AIR indicator is on.
15. TRANS OIL TEMP Indicator. Illuminates (red) when transmission oil temperature
is greater than 225 F (107C).
16. CHEM DETECT Indicator. Illuminates (red) when M43 chemical detector senses
a chemical agent. M42 alarm sounds when CHEM DETECT indicator is on.
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