Clear and sanitize procedures
NOTE. Sanitizing or clearing the instrument cannot be reversed. But the
instrument application software and calibration information is left unchanged
after the sanitizing or clearing operations. There is no need for a post-
sanitization or clear procedure for the 3 Series MDO instruments. The instrument
can begin normal use and function immediately after the sanitizing or clearing
procedures.
Disable the USB device port
Complete the following steps to disable the USB device.
1. Remove any USB cables from the instrument.
2. Tap Utility > I/O > USB Device Port.
3. Tap USB Device Port to toggle the port to Off.
The USB device port is now disabled and no longer allows traffic in or out of the
port.
Use the 3-SEC option to disable all I/O ports
If your instrument has the 3/SEC option installed, use the following procedure to
turn off all of the I/O ports.
1. Tap Utility > Security > Advanced.
2. Use the Multipurpose knob to enter the password.
3. Tap I/O Ports (USB, LAN) to toggle the ports Off.
Tap Firmware Updates to toggle the ability to update the firmware to Off.
4. Tap outside the menu to close the menu.
5. Power off the oscilloscope, and then power it back on to complete the
process.
To reset the instrument RAM, do the following:
1. Power off the instrument for at least 20 seconds.
2. Power on the instrument.
3 Series MDO Declassification and Security Instructions 7
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