Do you have access to standard (like a multimeter or dummy load)?
3. Navigating the FT-891 Alignment Menu (Hidden Service Menu)
Instructions for adjusting transmitter power, receiver sensitivity, and reference frequencies.
Press and hold a specific combination of front panel keys (typically A , B , and C or specific function keys variation depending on the firmware version) while pressing the Power switch.
: Step-by-step instructions for calibrating the reference oscillator, RX sensitivity, and TX power levels. These often require external tools like a signal generator and dummy load. Semiconductor Lead Identifiers
No. Several adjustments (BPF tracking, IF alignment) require a sweeper or tracking generator. Attempting by ear or with only a power meter will degrade performance.
A: Yes. The FT-891 is designed to work with optional Yaesu antenna tuners like the FC-50 and FC-40, as well as many third-party models.
