Xantrex XDC 10-600 Operating Manual page 102

If you attempt to use either knob, the display shows Knobs Locked, and there is
no effect on the output.
To lock out only the Voltage knob:
Step # Do This
1
2
3
4
5
6
If you attempt to use the Voltage knob, the display shows V Knob Locked, and
the output is not affected. If you attempt to use the Current knob, the knob operates
normally. You can also lock the Current knob without locking the Voltage knob. To
unlock the knobs, repeat the steps above, and select N for Lock _ Knob?
Release 3.0
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MENU
until you see the "KNOB
LOCKOUT" option
ENTER
ENTER
ENTER
Power Supply Operation
You Will See
ERROR MSGS
KNOB LOCKOUT
Lock V Knob? N
Lock V Knob? Y
Lock I Knob? N
The Voltage knob is locked out.
The Current knob is not locked out.
This setting is saved, and the display
returns to its default operating mode.
Operation
99