This is the instruction manual (user manual) for the AKAI audio timer DT-138, a famous model from Akai Electric. It has been stored in an audio rack, so there are no folds or tears, and it is clean. The main unit has already been sold and is no longer in my possession, so the item is only the instruction manual. ⚠️ The photos of the main unit are of the equipment to which the manual was attached. Please note that the main unit has already been sold and is no longer in my possession, so the item is only the instruction manual. If you are looking for the DT-138 instruction manual, please consider this.