The Tuner is either built by Flex or LDG (my unit was an LDG) but there is only 1 vari-cap (C1) to adjust.Ĭlick to download PowerSDR-CAT-Command-Reference-GuideĬlick to download PowerSDR ke9ns v2.8.0 features_white (up to. That vari-cap may need a slight adjustment to get the built-in SWR meter to match. The internal Tuner SWR circuit (T1) has a vari-cap adjustment C1. The SWR across the meters should be very close when running a resonant antenna, so if you find a large difference in this case, you may want to tweak the C1 vari-cap of the internal Tuner.
how far from resonance) you may find the SWR meters read differently (with each piece of coax causing the SWR to be different at different locations along the coax.Īnd most likely any external SWR meter will read a different SWR since its even further before the tuner. The built-in Tuner uses its own SWR meter during the "ATU" tune process. There is a small amount of coax between the 2 SWR meters inside the radio. Its circuit is located on the PA board and is electronically calibrated at the factory (using Powermaster external meter), and its SWR is displayed on the main PowerSDR screen TX meters.īut if you have the internal Tuner, the Tuner itself has its own SWR meter (see ATU photos above and look for T1). (Note the Flex-3000 has 1 SWR circuit so avoids issues, and the Flex-1500 does not have an SWR circuit built-in.)
SWR meter reading issue on the Flex-5000:
HPA100 PC-0019RevB Assy 28, 160m TX LPF (up to 2.099mhz), 80m TX LPF (2.1 - 4.099 mhz)Ĭlick to download FLEX-5000 VU Module SchematicsĬlick to download FLEX-5000A SpecificationsĬlick to download FlexRadio FLEX-5000 Combo FinalĬlick to download PRELIMINARY FLEX-5000 BITE Alignment & Diagnosticsįlex 5000A Running Class A and Bias Adjustmentįlex-5000 old firmware_1.3.0.8.exe (if needed upgrade a very old unit) The above instal guide is only for the 52BĪTU-100 pc-0050 (52B) -and- ATU-200pc v1.1(LDG)Ĭlick to download FLEX-5000 Service Manual NOTE: Flex-3000 puts out full power on 630m (but you must use an external 630m LPF capable of RX and 100watts TX)Ĭlick to download FLEX-5000_Owners_Manual_v2.0Ĭlick to download FLEX-5000 ATU-100 Service ManualĬlick to download FLEX-5000 ATU Installation Guide I would think that this should work for the Flex-5000as well. Click to download FLEX-1500_Owners_Manual_v2.0Ĭlick to download FLEX-1500 Service ManualĬlick to download FLEX-3000_Owners_Manual_v2.0Ĭlick to download Flex-3000 NPA schematicĬlick to download Flex-3000 NTRX schematicįlex-3000 EEPROM replacement PDF (by Michael - DL2FW)
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