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3. Press ( ) to start the test. When the test is running, Run will be indicated
in place of Stop. When the test ends, either Pass or Fault will appear next to Stop.
4. To stop the test at any time, press ( ).
3.10 Key Lock
The front panel keys can be locked to prevent unwanted changes to output settings and
instrument configurations. Follow the steps below to enable/disable key lock.
1. Press ( ) and then ( ). A * indicator will light up on the display,
indicating that the front panel keys are lock. At this point, all keys are disabled except
for the Lock function.
2. To unlock the keys again, press ( ) and then ( )again. The *
indicator will disappear and all keys will be enabled.