Quantum DLT 8000 Product Manual page 395

Appendix E: Visual Inspection Procedure for DLTtape Cartridges
8. Finally, check for proper operation of the tape cartridge's
Write Protect Switch (Figure E-5). This sliding switch,
located on the end of the tape cartridge used for the tape
label, should snap smartly back and forth, and the orange
tab should be visible when the tape cartridge is set to
provide Write Protection (data on the tape cannot be written
over).
Write Protect Switch
Figure E-5 Location of Write Protect Switch
Quantum DLT 8000 Tape System E-7