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LL Series Little L-Per

®

Portable Direction Finder

OPERATING MANUAL

Содержание Little L-Per LL Series

Страница 1: ...LL Series Little L Per Portable Direction Finder OPERATING MANUAL...

Страница 2: ...Operating Position for all Frequencies 5 Figure 3 L Per Operating Screen in the DF Mode 6 Figure 4 L Per Operating Screen in the Receive Mode 6 Specifications Battery operated double conversion superh...

Страница 3: ...ceiver is pre programmed with 121 5 MHz in Channel 1 243 0 MHz in Channel 2 121 775 MHz in Channel 3 and Marine calling frequency 156 8 MHz in Channel 4 These frequencies cannot be changed by the cust...

Страница 4: ...de Shows FR when waiting for frequency entry or ST when waiting for a memory number for storage 4 Function indicator for selection of alter nate key definitions 5 Battery condition bar 6 Signal streng...

Страница 5: ...on the screen and shut down when the key is released Occasionally the display does not fully erase to clear press the REC DF but ton twice The panel light key cycles between three stages 1 display an...

Страница 6: ...EC DF key the received signal will have the greatest strength when the left end of the receiver front panel is pointed at the source This maximum signal is rather broad but may be useful when only a g...

Страница 7: ...ator s belt buckle the antenna blades nearly touch the operator s arm or curious onlookers gather close by Operation in the Receive Mode Direction can also be found using Re ceive mode Press the REC D...

Страница 8: ...een upgraded 8 It may be too hot or cold Tempera ture limits are 10 to 140 F 24 to 60 C 9 The DF may have failed Contact the factory for repair Changing Frequency The receiving frequency may be change...

Страница 9: ...lays the data left and right left right jack or up and down fore aft jack Plugging two an tennas at once will switch to the FALR Fore Aft Left Right display There are two potential hazards associ ated...

Страница 10: ...red Connec tions are Pin Color Function 1 Black Ground 2 Red input power 3 White Audio out 4 Green Reserved 5 Reserved 6 Reserved To connect the cable align the white ar rows on the connector halves a...

Страница 11: ...ism L Tronics also has a simple drop in bracket p n 120013 available to keep the unit in place in a car or airplane The screws holding the built in antennas are sealed with Locktite Should one ever wo...

Страница 12: ...teries strangely often called heavy duty have a capacity of about 1500 mAH have only about 30 of that at 10 F and have a higher self discharge rate than alkaline These should be considered only if alk...

Страница 13: ...line After performing the reliability check as de scribed above and finding a good location check for the existence and severity of reflec tions You might by good luck have chosen a spot that may init...

Страница 14: ...ous and it will give you a heading to the stronger direct signal Blocked Signal Multiple Reflectors Multiple reflections coming from the same general direction when the direct signal is blocked will c...

Страница 15: ...e and then instead of ho Holding the unit in front of you at eye level hold it off your right shoulder so you have to turn your head to the right to see the display The left end of the DF with the arr...

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