Maxtrac 100 radio or tx bsy on maxtrac 300 radio will flash if there is another carrier on the channel if the channel is clear press the ptt push to talk button on the side of the microphone on the maxtrac 100 radio the channel indicator led f1or f2 will turn red to indicate that you are on the air on the maxtrac. 900mhz 6 channel radio or turn the external switch on the alarm relay cable to the on position on a maxtrac 100 radio on a maxtrac 300 radio the display will show hl to disable this feature press the select call exit or h l button page 13 sending an identification number. Page 1 this manual is designed for the use of licensed amateur operators who have bought and are now using the maxtrac 300 radio as an amateur radio transceiver this radio was previously used by police officers a recent ruling by the f c c makes it illegal to use this and other wide band radios after 31 december 2012. Motorola maxtrac 100 maxtrac 300 mobile radio operating instructions user manual illustrated nov 25 2020 posted by seiichi morimura public library text id 1928c77a online pdf ebook epub library controller by scott lichtsinn kbonly remember above all that the maxtrac is a mobile radio and while it can be used quite readily as a low to motorola maxtrac 100 maxtrac