TECHNICAL SUPPORT
Your investment in CRU products is backed up by our free
technical support for the lifetime of the product. Contact us
through our website, cru-inc.com/support or call us at 1-800-
260-9800 or 1-360-816-1800.
PRODUCT WARRANTY
CDSG warrants this product to be free of significant defects
in material and workmanship for a period of 2 years from the
original date of purchase. CDSG’s warranty is nontransfer-
able and is limited to the original purchaser.
ToughTech is a registered trademark and CRU is a trademark
of CRU Data Security Group, LLC.
©2014, 2020 CRU Data Security Group , LLC. All rights
reserved.
For more product information, see www.cru-inc.com.
A9-000-0037-1 Rev. 2.0
Operating Your
ToughTech Secure m3
Entering
WriteProtect Mode
Returning to Normal
Read/Write Mode
PRESS & HOLD
PRESS & HOLD
MAKE SURE USB
IS UNPLUGGED
MAKE SURE USB
IS UNPLUGGED
LED COLOR DEPENDS ON MODE.
LED BLINKS WHEN DISK IS IN USE.
READ/WRITE MODE
WRITE PROTECT
(READ-ONLY MODE)
ENCRYPTION KEY ERROR
PLUG IN
PLUG IN
LED TURNS
YELLOW
LED TURNS
GREEN
PLUG IN
ENCRYPTION KEY
PLUG IN
USB CABLE
ToughTech
®
Secure m3
Encrypted Portable Storage Drive
QUICK START GUIDE
