Model 3000 Survey meter User’s Manual Section 4
Ludlum Measurements, Inc. Page 4-17 April 2021
- High Light Turn On: This value will set the threshold that the
backlight will turn on at. (This should be lower than the Turn Off
value.)
- High Light Turn Off: This value will set the threshold that the
backlight will turn off at. (This should be higher than the Turn On
value.)
OFF – Disables backlight
Sigma Audio (Default OFF) - Tap MODE to adjust the value. Available
values are:
ON – Sigma Audio Enabled
OFF – Sigma Audio Disabled (Normal ‘Click’ Audio active)
Note
The Sigma Mode may not work properly until the 8-second
background is completed. If the 8-second background count is
too low or too high, the device will continually beep until an
acceptable background count rate (500 cpm - 200 kcpm) is
obtained. Sigma Audio is disabled in Count Mode. If Count audio
and Sigma Audio are enabled, Count audio will be “click” audio.
Dual Level Audio (Default OFF) - Use MODE to adjust the value. Available
values are:
ON – Dual Level Audio Enabled (Audio settings: Hi, LO, and Mute)
OFF – Dual Level Audio Disabled (Audio settings: Hi and Mute)
Setup Page 5
Note:
Parameters on Page 5 (P-5) are not user editable using the
instrument Setup Mode. To edit these parameters, please use the
LMI Lumic Datalog Software.
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