Symbol 5551 from IEC 60417 - Title/Meaning: Tone arm, down Function/description: To identify the control to lower the tone arm.
Additional information: 
In order to avoid confusion with ISO 7000-0542, the symbol shall be oriented as shown
Title was editorially improved.
Own work using: iso.org/obp/graphics/grs/50bfca58-efef-4b8a-ad42-5b4e1d131e6b 200.png
Vectorization:  Mrmw