The 700 features a synchronous detector (only on late production models). The manual addendum explains: “Press [SYNC] to select upper or lower sideband carrier reinsertion for AM broadcasts. Reduces fading on shortwave.” (If your radio has no [SYNC] button, you have an early version without this circuit.)
Introduction: The Last of the Analog Titans The Grundig Satellit 700 (also known as the Satellit 700) is widely regarded by radio enthusiasts as the pinnacle of portable analog/digital hybrid shortwave receivers. Produced in the early 1990s, it represented the final evolution of Grundig’s legendary "Satellit" series before the shift to fully digital, DSP-based radios. grundig satellit 700 manual
Factory service manual (separate document) specifies that after 10 years, the reference oscillator (TCXO) may drift ±50 Hz. Adjustment is via trimmer TC-1 on the PLL board. The 700 features a synchronous detector (only on