Aslo ASMD78D Manual De Instrucciones página 32

5. FUNCTIONAL KEYS DESCRIPTION
POWER
• Turn on or off the meter.
PK HOLD (Peak Value Holding Button)
• After press this button, the display value of meter is the max. value during the measurement.
HOLD/H (Data Hold)
• This key can be used to freeze a value displayed during measurement. In this case the display
will show "H". By pressing the key again, the meter redisplays the current reading of the
device.
FUNC (Functional Shift Key)
• After press this button, the meter can activate functional shifts between °C/°F, Hz/%,
Flashlight
• Press this button to activate flashlight, press again to exit.
Backlight
• Hold and press this button to activate backlight, to exit by hold pressing again.
REL (Relative Measurement key)
• After press this button to activate relative measurement function, the meter regard the value
as reference. After that the displayed values are the real measurement minus the reference
value. Press this button again to exit.
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