Содержание VERSA TUNER II MFJ-941D

Страница 1: ...w SteamPoweredRadio Com MFJ VERSA TUNER II M1 OD1 EL MFJ 941 D OWNER 1 S MANUAL I CAUTION Read All Instructions Before Operating Equipment MFJ ENTERPRISES INC P 0 BOX 494 MISSISSIP1 PI STATE MS 3978 2 USA ...

Страница 2: ...and the S0 239 coax connector marked TRANSMITTER on the tuner 2 One or two coax fed antennas may be connected to the S0 239 coax connectors marked COAX 1 and COAX 2 NOTE Coax 1 and coax 2 antennas can be connected directly to the transmitter by turning the antenna selector to COAX 1 DIRECT or COAX 2 DIRECT 3 A random wire antenna may be connected to the five way binding post marked WIRE The random...

Страница 3: ...sents a minimum of inductace at position A and a maximum of inductance at position L Less inductance is needed at high frequencies for the same impedance The TRANSMITTER and ANTENNA controls both present a maximum of capacitance at position 1 For optimum operation of the MFJ 941D the transmitter must be tuned for a 5J ohm output impedance for the frequency band in operation The transmitter can be ...

Страница 4: ...t a low transmitting power 9 After a minimum SWR is achieved readjust the SWR sensitivity to get a more accurate reading of the SWR by pushing the FWD REF switch in to FWD and adjust the SWR SENSITIVITY control for a full scale meter deflection Switch the FWD REF switch to the REF position for the SWR reading The transmitted power may now be s witched to 3JJ watts The SWR sensitivity must be re et...

Страница 5: ...g 3 For recalibrating the power scale settings use the trim pots just behind the meter Loo king f rom the f ront the left trimpot adjusts the 300 wat t sca le and the right adjusts the 30 watt scale r I I LI_ 1 x _MIT f _ TRANSMITTER TOROID 1 BYPASS COAX 208 pP 208 pF Slb 8 2K JOO 100K I OluF 500 K RL S2 INDUCTIVE MATCHING OluF OluF I MPJ 9410 SCHEMATIC DIAGRAM PAGE 4 WIRE I JUMPER I t 1 1GROUND u...

Страница 6: ...onal check cashier s check or money order must be provided to cover postage and handling 4 This warranty is NOT void for owners who attempt to repair defective units Techni cal consultation is available by calling 601 323 5869 5 This warranty does not apply to kits sold or manufactured by MFJ Enterprises Inc 6 Wired and tested PC board products are covered by this warranty provided only the wired ...

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