The illuminated meter with on/off switch. The back panel has outputs for two coaxial cables, one wire or balanced line and dummy load are provided. The peak and average reading cross-needle SWR/power meter has forward power ranges of 200 and 2,000 watts.
#989b tuner images plus
Plus you get a built-in 50 ohm 300 watt dummy load that makes exciter tuning fast and easy.įrequency range is 1.8 to 30 MHz. MFJ-989B Versa Tuner V Ham Radio Sintonizzatore DANTENNA Venduto Vedi articoli simili EUR 120,61 1 Offerta, Clicca per vedere il costo di spedizione, Garanzia cliente eBay Venditore: bigmude (26.629) 99.
It lets you select two coax antennas direct or through the tuner, balanced line or random wire and dummy load. You get a antenna switch with extra large switch contacts to eliminate plugging and unplugging antennas.
A 3 digit turns counter plus a spinner knob gives you precise inductance control A roller inductor lets you tune your SWR down to the absolute minimum-something a tapped inductor tuner just can't do. The tuner features two massive transmitting capacitors and a roller inductor with a three digit counter. TB Strobe Tuner 2009 demonstration - classic acoustic guitar, electric guitar and bass guitar tuning with 0.1 cents precision.Download and more information. C.īalanced line is connected to the BALANCED LINE terminal and the top balanced line terminal as indicated by the dotted Line.This famous MFJ-989B VersaTuner V covers 1.8 to 30 MHz, including MARS and the WARC bands. Wire antenna is connected to the WIRE terminal. Connect the antenna(s) to the tuner as follows:Ĭoax cable feed lines to the coax connectors 1 and 2 coax lines may be fed direct or through the tuner as selected by the ANTENNA SELECTOR switch.ī. Use coax cable such as RG-8/U to connect the transmitter to the connector marked TRANSMITTER on the rear of the tuner.ģ.
#989b tuner images install
Install the tuner between the transmitter and the antenna as shown in the diagram below. If random wire or balanced line operation is used the ceramic feed through insulators will have high RF voltages which can cause serious RF burns if touched when transmitting.Ģ.
NOTE: LOCATE THE TUNER SO THE REAR IS NOT ACCESSABLE DURING OPERATION. Locate the tuner in a convenient location at the operating position. The ANTENNA SELECTOR allows you to select 2 coax fed antennas either direct or through the tuner, a 50 ohm dummy load, and a wire or balanced line antenna.ġ. Meter lamp switch will activited the meter lamp. Use a 2.5 mm plug with the tip of the plug connected to the positive. Meter lamp can be power by a 12Vdc source. No SWR sensitivity adjustment is needed to read SWR. SWR is indicated by the SWR line where the Reflected power can be read from the reflected power scale. Maximum power reading on the Hi scale is 2KW and Maximum power reading for the Lo scale is 200W. To read FORWARD power, set the POWER switch to Hi or Lo then read the power level on the forward scale. The MFJ-989B also has a cross needle SWR/Wattmeter to allow you easy tune up and power measurement. This tuner has a built in 50 ohm, 300W dummy load forĮasily tune up of your exciter. The tuner is designed to match most antenna systems from 1. The MFJ-989B Versa Tuner V is designed for use in high power amateur transmitting installations upto 3KW PEP.
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