Steren MUL-600 Manual De Instrucciones página 57

The tester's automatic choice is the auto range. When the auto range mode is
selected, the screen will show AUTO.
To activate and deactivate manual mode:
1. Press RANGE. The tester will enter manual
mode and turns off the auto range. Each
time you press RANGE the tester's range will
increase. When the upper range is rejected, the
lower range is selected.
If you change the measure range manually after select the REL or
HOLD modes, the tester will exit this mode. If you manually change the
measurement range after pressing REL or HOLD, the tester will exit these
modes.
In frequency cycle and capacitance measurements, only auto range mode
is available.
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