ADS Environmental Services Mikron QR 775014 A0 User Manual

Page 19

ADS Mikron User Manual

Sensor Failure

If a sensor failure occurs while the user is pressing down the Press-to-listen
button, the display replaces the volume display with a flashing failed sensor
icon. If failure occurs while powering up the unit, the icon will flash (without
requiring the user to press down the Press-to-listen button).

Failed sensor icon

Filter Display

The lower part of the display shows the selected filters. In the following
example, the filters have been set to allow a listening range of 75Hz to
1500Hz. Press the Filters button to select the filter.

The following filters are available:

Recommended Use

Filter Range

Ground listen, metallic pipe

75Hz

–

1500Hz

Ground listen, plastic pipe

75Hz

–

750Hz

Direct contact, metallic pipe

600Hz

–

2500Hz

Direct contact, plastic pipe

200Hz

–

1500Hz

Wideband noise

30Hz

–

4000Hz

Note:

Changing the filter range deletes the stored data.

Backlight

To turn the backlight on or off, hold the Filters button for more than two
seconds. Each time the user holds the button, the backlight will cycle through
on and off.