Do you have a question about the Dual 1228 and is the answer not in the manual?
Connecting the turntable to the AC power supply.
Securing the unit for safe transportation.
Connecting the turntable to the amplifier.
Details on DIN and RCA audio cables.
Procedures for playing quadraphonic CD 4 records.
Procedures for automatic and manual single play.
Operation for playing multiple records automatically.
Instructions for installing a cartridge into the headshell.
Guidance on stylus inspection, wear, and replacement.
How to set the correct stylus tracking force.
Adjusting the antiskating force for proper tracking.
Adjusting the tonearm's vertical tracking angle.
Adjusting the turntable speed and pitch.
Changing the turntable's power line frequency.
Procedure for safely removing the platter.
Adjusting the tonearm's automatic set-down position.
Information on servicing and electrical safety compliance.