Model 3000 Survey meter User’s Manual Section 2
Ludlum Measurements, Inc. Page 2-8 April 2021
AUDIO button:
Short Tap (pressing the button and releasing under a half second):
Used to toggle the click audio ON or OFF. Click audio defaults to
ON when the unit is powered up. When Sigma Audio is enabled,
tapping the AUDIO button will toggle the Sigma Audio beep ON
and OFF. If Dual level audio is active, each tap will toggle audio to
High (Hi), Low (LO), or OFF. Count Mode audio is disabled by
default, but can be enabled through Lumic Software. Sigma audio is
disabled in count mode.
Long Press (pressing the button and releasing for at least a half second):
Only used in the device menu. While viewing the Detector
Overload parameter, a long press will allow the user to view the
actual current level. Another long press will return user to overload
settings.
MODE button:
Short Tap (pressing the button and releasing under half a second):
Used to advance between the three operating modes, RATE, MAX,
and COUNT. Note that MAX and/or COUNT mode may be
disabled from use. The device menu increments selected digit/text
to the next available option.
RATE Mode Operation
In RATE mode, the current count rate will be displayed.
Long-pressing the ON/OFF button for at least a half second will reset the
averaged rate before releasing the button. The Reset feature must be
enabled through Lumic Calibration software (see parameter: RateResetBtn)
and will be disabled when Sigma Audio is enabled.
Tapping the UNITS button will switch the displayed value between the
Primary and Secondary Units.
Tapping AUDIO button will turn the “click” audio on/off. When Sigma
Audio is enabled, pressing the AUDIO button will toggle the Sigma Audio
beep on/off. If dual Level audio is enabled, it will toggle between “Hi, LO,
and OFF.”
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