TM 9-2320-364-102-14 2-3. LOCATION AND USE OF CONTROLS AND INDICATORS(CONT).Figure 2-5. CTIS Controller Controls and IndicatorsKeyControl or IndicatorFunction1Rotary Selection Switch(CTIS)· Do not change CTIS settings when corneringor wheels are slipping. Damage to drive line mayresult.· CTIS ON/OFF switch should be in ONposition at all times. Overspeed protectionwill not operate if switch is in OFF positionand tire pressure may not match driving speeds,resulting in unsafe driving conditions or tiredamage.NOTE· The rotatory selection switch will still operatethe drive line functions even if the CTIS ON/OFFswitch is set to OFF.· If it becomes necessary to disable the CTIS,the tires will have to be manually inflated ordeflated.