The stock AGC is too fast for weak-signal CW or digital. Use the to cycle through:
Warning: Modifying radios can void warranties, break them, or violate local radio regulations. Proceed only if you accept those risks. kenwood tkm707 mods
Out of the box, the TKM-707 is locked to the marine bands (2–27.5 MHz in simplex/half-duplex). For amateur use, it’s almost useless. For marine operators, there are still performance tweaks that can bring this 1990s workhorse into the modern era. The stock AGC is too fast for weak-signal CW or digital
: Poor reception is rarely a hardware fault; it's usually a grounding issue. Experts recommend a solid connection to a copper ground plane strip and ensuring the AT-300 tuner is perfectly matched to the antenna. Thermal Endurance : The Out of the box, the TKM-707 is locked
The TKM-707 has a cryptic interface designed for marine channel numbers, not direct frequency entry. Several mods improve this.