Do you have a question about the EHRHORN ALPHA 77Sx and is the answer not in the manual?
Lists technical specifications like frequency, power, impedance, and cooling.
Details wiring for various voltage configurations and power connections.
Explains front panel controls, buttons, and operational modes (OFF, STBY, CW/LOW V, SSB/HIGH V).
General guidelines and initial tune-up steps for the amplifier.
Lists common symptoms and their possible causes/cures.
Lists more common symptoms and their potential causes and cures.
Lists further symptoms and their potential causes and cures.
Lists final symptoms and their potential causes and cures.
Details the RF amplifier circuitry and the power supply system.
Explains the operation, sequence, and protection of the QSK system.