
Setting the Write Protect Switch
Setting the T9940 Write Protect Switch to Read-Only 
You can set the T9940 write protect switch so that the cartridge is 
Setting the T9940 Write Protect Switch to
Read/Write
You can set the T9940 write protect switch so that the cartridge is 
Note – Some software has a feature called virtual thumb wheel, allowing 
FIGURE 5-12 Setting the T9940 Cartridge Write Protect Switch
1. Write enable position
2. Write protect position
3. Write protect switch
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2
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| 96154 • Revision K | Chapter 5 Cartridge Information 95 | 
