Operation - Omega HHM31 User Manual

OPERATION

Before taking any measurements, read the Safety Information Section.
Always examine the instrument for damage, contamination (excessive dirt,
grease, etc.) and defects. Examine the test leads for cracked or frayed
insulation. If any abnormal conditions exist do not attempt to make any
measurements.
Max. Hold and Back-Light ( >2sec) Switch :
Press "MAX" to toggle in and out of the Maximun Hold mode.(holding the
highest reading.) In the MAX mode, the MAX annunciator is displayed and
maximun reading are stored in display register, If the new reading is higher
than the reading being displayed, the higher reading is transferred to the
display register. A "higher" reading is defined as the reading with the higher
absolute value.
The MAX hold function is disable in the frequency count mode, but the MAX
annunciator is still displayed.
Press this button for two seconds to turn the Back-Light on. As this also
activates the MAX hold mode, briefly press the button to return to normal
display. The Back-Light will switch-off automatically after about 20 seconds.
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