Harksound was a brand name from CEC Japan and the Harksound turntable range was aimed at the "mid-range quality" buyer, the most obvious feature being the suspended sub-platter and tonearm assembly used on this model and others in their range.
Harksound Turntable Owners Manual
Model: HS 510
Original
4 language manual
Describes major components and their locations
Unpacking & Assembly
Tonearm adjustments
Connection to external equipment
Where to position your turntable
Operation: Playing records, cleaning the stylus, pitch adjustment
Maintenance: cleaning, lubrication
CONDITION:
In very good condition, clean pages, no tears
No missing pages
Stored in sealed plastic to maintain the condition
Tested as described in the description
This item is not returnable, UNLESS dead on arrival