TM 10-3930-671-10 CHAPTER 2 OPERATING INSTRUCTIONS 2-1. INTRODUCTION. The following information provides descriptions, locations, and use of the operator’s controls and indicators.  Table 2-1 lists each control and indicator and the functions they perform. 2-2. LOCATION AND USE OF CONTROLS AND INDICATORS Know the location and proper use of every control and indicator before operating the truck.  Use this paragraph to learn how each control and indicator is to be used.  Separate illustrations, with keys, are provided in Table 2-1. 2-1