TM 10-3930-659-20 2-27. MULTIMETER. a. General.    The  digital  multimeter  (Item  22,  Appendix  F)  can  be  found  in  the  Common  Number  1  and Common Number 2 Organizational Maintenance Automotive Shop sets and is used to troubleshoot the electrical system of the forklift truck.  The multimeter's ohms scale is used to test for continuity, shorts, and resistance and the voltmeter scale is used to test voltage levels at any point in the electrical system. b. Continuity Tests.  Continuity tests are performed to check for breaks in a circuit (such as a fuse, switch, light bulb, or electrical cable). NOTE If digital readout will not zero properly, replace batteries and repeat zeroing procedure. If   digital   readout   will   not   zero   after   batteries   have   been   replaced,   notify   your supervisor. (1) Zero the Multimeter. (a) Set multimeter ON/OFF switch (4) to ON position. (b) Press OHMS FUNCTION switch (2). (c) Press LOWEST VOLTAGE/OHMS selector switch (6). (d) Touch black and red probes (8 and 9) together and check for a zero reading on digital readout (7). TA706720 2-15