That's great! The first ICOM device to support extended digital modes.
The amplifier tube provides powerful output, reportedly capable of delivering up to 90W. The screen backlight has three adjustable colors. For extended high-power operation, a fan is required.
The approval code from 2004, including the amateur segment, but unfortunately, it cannot be found in the databases of MIIT and Zhihu. It is difficult to obtain a license.
I have previously received a Taiwanese-made version, and the circuit changes were minimal. It removed the computer communication port but retained all other functions. The sound quality was good, and I used it with a dummy load for the FMO.
The disadvantage is that older machines are prone to frequency bias.
The A battery is usable, with a power supply of 13.8V and a T-shaped connector on the chassis. The positive and negative terminals are not shorted, and there are no signs of burning on the board. It can be powered up to test.
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