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FLEX-6000 Signature Series - SmartSDR for Windows Software User’s Guide

Page 107

LO freq (MHz): the calculated value of the local oscillator in your transverter. This number should

match the transverter manufacturer’s specifications. If it does not, check the RF and IF entries again

and make corrections.

LO error (Hz): If your radio’s local oscillator is off-frequency by a known amount, enter that amount

here and SmartSDR will make the proper adjustments to properly read transmit and receive

frequencies in SmartSDR. If you are using a GPS or 10MHz locked transverter, this number should be

set to zero.

RX Only: Enable this if you do not want to transmit through your transverter. It will lock-out the

transmit capabilities in SmartSDR.

Max Power (dBm): Enter the IF input power level to the transverter to achieve maximum output

power of the transverter. This will limit the output power that SmartSDR allows to be provided to

the transverter. This value may be up to +15dBm for IF frequencies below 80MHz and up to +8dBm

for IF frequencies above 135MHz (default: 0dBm). The value set in this field, should match the power

output when the RF Power slider is set to 100. The lower end (values near 1 on the RF Power slider)

will be approximately 20dB lower than the Max Power setting.

Note: This power range may be different than using the IF frequency directly (i.e. not using the XVTR

RF frequency).

RX Gain (dB): this field is optional but will correct the receive signal level reading in the Panadapter

and Slice Receivers. To properly set this, you should enter the IF gain for the transverter. If you do

not know this value, ask your transverter manufacturer. If you do not have this number available, it

may still be calculated by inputting a known value signal into the transverter, reading the receive

level in SmartSDR and then adjusting the RX Gain until the values are equal.

Below you can see a completed transverter setup form with a single band entered:

The green “Valid” indicates that SmartSDR has enough information to use the transverter.

FlexRadio Systems FLEX-6000 Signature Series User Manual

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