- V&A VA18B: Keep the "Hz/DUTY" key pressed while powering on the device.
- Victor 70C: Press the "REL/RS232" button for roughly 1 second.
- Victor 86C: Press the "REL/RS232" button for roughly 1 second.
- V&A VA18B: Keep the "Hz/DUTY" key pressed while powering on the device.
- Victor 70C: Press the "REL/RS232" button for roughly 1 second.
- Victor 86C: Press the "REL/RS232" button for roughly 1 second.