Description:

DX-500V/Variable: These transmitters are designed for mobile or base CW operation.
Comes with optional Fan-Kit stand fitted with 4 X 2SC-2879 transistors.
Elevate the DX-500V off the base station while keeping it cool in style!
Vented design allows you to run your unit for hours while protecting your investment.
You will need 60 Amps plus of 13.8 to 14.5 volts DC.
All amps require a fan.
Don’t run it too long or too high in AM/FM cos it will get hot.
Do not use the variable resistor to control the power output but reduce drive to the amp from the radio.
Watch the SWR and all connections as 500W will cook a poor joint.
Yellow “DELAY” Button reduces power and adds delay to the transmit/receive relay to accommodate different transmission rates for break-in keying operation.
On models DX 400V and DX 500V, this button adds delay but does not reduce power.

OPERATION:
Red “POWER” Button turns the unit on and off.
White “REC AMP” Button turns the receive amplifier on to provide 6dB of gain for your receiver. This will work independently of the power button — that is, the white button may be pressed “on” even when the red button is “off.”
Green Button reduces power on all models.
Yellow “DELAY” Button reduces power and adds delay to the transmit/receive relay to accommodate SSB operation.
Meter is an RF Relative Output Indicator and lights during transmission.
Power Cables are also located at the rear. The red lead connects to the positive side of the power supply, and the black lead connects to the negative side.

Specifications:
Frequency Range: 25.800-29.700MHz.
Input Power: Up to 25 Watts.
Power Output: 500 Watts.
Max AM Input: 25W.
Power Supply: 60 Amps
Voltage: 13.6 Volts DC
Transistors: 4 x 2SC-2879
Amp Draw: 62A
Fuse: 30A
SSB (sideband) Switch.
Variable Power: With SSB Delay
RF Power Meter.
Receive Pre Amp.
Connectors: SO-239 (50 Ohm)
Duty Cycle: 100% at Full Output.
Dimensions: 3-1/4” (h) x 6-5/8” (w) x 10-3/4” (d).
Weight: 6-Pounds.
Power Cables are also located at the rear. The red lead connects to the positive side of the power supply, and the black lead connects to the negative side.
NOTE: Always allow a few minutes to let unit warm up before transmitting.Texas Star 500: Unleash Your Communication Power

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