Setting The Write-Protect Tab On 1/4-Inch Tape Cartridges - IBM R30 Operator's Manual

Setting the Write-Protect Tab on 1/4-Inch Tape Cartridges

Setting the write-protect tab on a tape cartridge is necessary so that information is not
accidentally lost. When the write-protect tab of a tape cartridge is set (pointing to SAFE),
information can be read from the tape but cannot be written to it.
The write-protect tab positions for a typical tape cartridge are shown in the following
illustration. Use a small screwdriver to turn the arrow to the desired position. The arrow must
be pointing in one of the two directions shown in the illustration.
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Operator Guide