Do you have a question about the Adcom GFA-535 and is the answer not in the manual?
Read, retain, and follow all safety and operating instructions for unit use.
Avoid water, moisture, heat, ensure proper ventilation, and use AC only.
Clean with soft cloth, unplug when not in use, and refer servicing to qualified personnel.
Do not remove cover; servicing by qualified personnel prevents shock and warranty void.
Prevent RF detection by avoiding connecting inputs/outputs or using the "Thumb Test" while ON.
Contact ADCOM technical service for installation and operation questions.
Ship PREPAID via UPS/carrier; no Parcel Post or freight collect; use original carton.