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83503001 Rev G
5.17.
Front Panel Locking
The front panel controls can be locked to protect from accidental power supply parameter
change. Press and hold the PREV button to toggle between “Locked front panel’ and
“Unlocked front panel”. The display will cycle between “LFP” and “UFP”. Releasing the
PREV button while one of the modes is displayed, selects that mode.
5.17.1. Unlocked Front Panel
In this mode, the front panel controls are Enabled to program and monitor the power
supply parameters.
5.17.2. Locked Front Panel
In this mode the following front panel controls are Disabled:
VOLTAGE and CURRENT encoders.
FOLD button.
OUT button
The power supply will not respond to attempts to use these controls. The VOLT display
will show “LFP” to indicate that the front panel is locked.
OVP/ UVL button is active to preview the OVP and UVL setting.
Use the PREV button to preview the Output Voltage and Current setting or to unlock
the front panel.