开云体育You give no call sign so one cannot tell how experienced you might be with amateur radio, nor can it be determined what you might be doing wrong because you give no information as to what you are actually doing.The LA-1K requires no interface cable.? It is RF sensing, which means it automatically changes bands when it detects RF from a transceiver. The only reason for using an interface cable is if you want the LA-1K to change bands AS you change bands on the transceiver.? Since you are exciting it with a Yaesu rig, you would need to install a female DB9 plug on one end of the interface cable for insertion into the upper of the two DB9 (DE9 if you prefer) jacks on the back of the LA-1K.? The other end of the cable would need the Mini-DIN 10P plug which, according to page 8 of the FTDX-10 manual, is an accessory available from Yaesu:? "Linear Amplifier Connection Cable (Mini DIN 10P - Bare Wire)? SCU-28." The "bare wire" means you must supply the DB9 plug and wire it correctly.? Many are available, but I prefer the breakout board plug from Winford:? which is fast and requires no soldering. The model you want is "BRKEGD9F-T B" which uses spring terminals (easier than screws), thumbscrews (no screw driver), and revision B (much improved). Are you an SSB op or a CW op?? This makes a difference when it comes to determining whether to use NORMAL mode or DIRECT mode. You are welcome to email me so I can give you my phone number and we can talk more specifically. What we also need to discuss is how successfully you are using the HF-AUTO.? Faults attributed to the LA-1K are often faults detected by the HF-AUTO which, more often than not, are faults lying within the overall antenna system. 73, Kent K9ZTV k9ztv@... On 2/12/2023 10:53 PM, ddffbb22 via
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