Vectronics VC-300DLP Owner'S Manual Download Page 7

VC-300DLP Antenna Tuner 

Owner's Manual

 

TECHNICAL ASSISTANCE 

 
If you have any problem with this unit first check the appropriate section of this manual. If the 
manual does not reference your problem or your problem is not solved by reading the manual you 
may call VECTRONICS at 601-323-5800.  You will be best helped if you have your unit, 
manual and all information on your station handy so you can answer any questions the 
technicians may ask. 
 
You can also send questions by mail to VECTRONICS, 300 Industrial Park Road, Starkville, MS 
39759 or by Fax to 601-323-6551. Send a complete description of your problem, an explanation 
of exactly how you are using your unit, and a complete description of your station. 

 

YOUR NOTES 

 

Summary of Contents for VC-300DLP

Page 1: ...ings Also included is a built in Dummy Load for tuning purposes which is easily switched in and out of the circuit SPECIFICATIONS FRONT PANEL INDICATORS Meter Dual movement lighted cross needle Power...

Page 2: ...The SWR is measured where the two needles intersect on the red scale 3 ANTENA Continuously adjustable output capacitor 4 OUTPUT SELECT Eight position rotary switch selects an output coaxial connector...

Page 3: ...o vary inductance 6 RANGE Two position push button switch selects the range of FORWARD and REFLECTED Power displayed on the power meter When the RANGE switch is OUT the FORWARD meter scale reads 300 w...

Page 4: ...lect a location for the VC 300DLP that allows the connectors to be free of any possible contact during operation WARNING SOME BALANCED OR END FED ANTENNAS WILL PRODUCE HIGH RF VOLTAGES AT THE BANANA C...

Page 5: ...PLIED POWER TUNING 1 Select the band and frequency of desired operation 2 Set TRANSMITTER ANTENNA and INDUCTOR controls to the suggested settings before applying transmitter power Actual settings may...

Page 6: ...not be reduced to the lowest reading try increasing or decreasing the reading of the transmitter control Then try to null the antenna control for the lowest reading You may want to try reversing this...

Page 7: ...call VECTRONICS at 601 323 5800 You will be best helped if you have your unit manual and all information on your station handy so you can answer any questions the technicians may ask You can also sen...

Page 8: ...K AVG button to AVG Apply 100 W of RF at 14 0 MHz Adjust R1 see Figure 1 so that 100 W of FORWARD power is read on the meter Reduce the RF power to 10 W and set the RANGE to10 W Adjust R2 so that 10 W...

Page 9: ...VC 300DLP Antenna Tuner Owner s Manual 9 SCHEMATIC DIAGRAM VC 300DLP...

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