The Satellit 700 is built for serious hobbyists. It runs on four 'D' cell batteries (offering up to 90 hours of alkaline life) or an external 9-12V power supply. Unlike earlier models with troublesome slider controls, the 700 returned to more durable rotary potentiometers for volume and tone. Grundig Satellit 700 - shortwaveradio.ch
If you’d like, I can:
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: Use the SYNCH button for synchronous detection to reduce interference on AM/Shortwave. Use USB/LSB buttons for Single Sideband (SSB) signals, combined with the CLARIFY knob for fine-tuning. Advanced Memory Features
The unit comes with a factory-installed "Memofile" (EEPROM) storing 512 frequencies. It features three additional sockets, allowing you to expand the capacity to 2,048 programmable frequencies .