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Operation
3–44 TM-XDOP-01XN
Lock Out Control Knobs
The KNOB LOCKOUT menu option allows you to lock the front panel knobs,
forcing changes to be made via the VOLTAGE and CURRENT keys. Knobs
should be locked out whenever you do not want someone to accidentally adjust
the supply settings while the unit is operating in local mode.
To lock out both knobs:
If you attempt to use either knob, the display shows Knobs Locked, and there
is no effect on the output.
Step # Do This You Will See
1ERROR MSGS
2
until you see the
“KNOB LOCKOUT” option
KNOB LOCKOUT
3
Lock V Knob? N
4 Lock V Knob? Y
5 Lock I Knob? N
The Voltage knob is locked out.
6 Lock I Knob? Y
7 The setting is saved and the display
returns to its default operating mode.
MENU
ENTER
ENTER
ENTER
TM-XDOP-01XN.book Page 44 Monday, July 17, 2006 11:19 AM