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Summary of Contents for Halma HWM XMic
- Page 1 XMic Operation guide...
- Page 2 Agenda • What is a Ground Mic? • Equipment Layout • Charging • Button Operation • Filter Screens • MLP Mode • Questions...
- Page 3 WHAT IS A GROUND MIC ?
- Page 4 What is a Ground Mic? A ground microphone is designed to amplify the noise generated by water escaping from water pipes under pressure. Identifying the position of the loudest leak noise indicates the ground position of the actual leak itself.
- Page 5 What is a Ground Mic? Noise level at it’s Noise level reduces loudest above the leak the further away from the leak Ground Level...
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Page 6: Equipment Layout
EQUIPMENT LAYOUT... - Page 7 Full Xmic System High quality David Clarke headphones Extension rod Used for listening on fittings or through soft surfaces The Foot (Elephants foot) Used on hard Tripod foot ground surfaces Used on uneven surfaces Base unit...
- Page 8 Base Unit 1 - Headphone control 2 - Mode select (Preset / Manual / MLP) 3 - Acoustic signal level 4 - Battery status 5 - On / Off & Backlight 6 - Gain level 7 - Increase & decrease level 8 - Charging LED 9 - Contrast adjustment 10 - Option select...
- Page 9 Base Unit 1 - Headphone & Charging 2 - Sensor connection 3 - Battery compartment...
- Page 10 CHARGING...
- Page 11 Charging To charge connect the charger, the LED battery charge light will illuminate, this will go out when fully charged. Charging time is approx 7 hours...
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Page 12: Button Operation
BUTTON OPERATION... - Page 13 Button Operation Press once to turn on Press once more to turn off backlight Press and hold down for 2 seconds for off Press once to turn on Press once to mute Press and hold to listen until released...
- Page 14 Button Operation The mode button toggles between Preset filters, Manual filters & MLP mode...
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Page 15: Filter Screens
FILTER SCREENS... - Page 16 Preset Filtering Open Filters Low Pass Filters Contrast High Pass Filters...
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Page 17: Low Pass Filtering
Low Pass Filtering Used on plastic pipes Low Pass Filters... -
Page 18: High Pass Filtering
High Pass Filtering Used on metal pipes High Pass Filters... -
Page 19: Manual Filtering
Manual Filtering By pressing the mode button once, manual filter options are available. To move the filters To widen the filters To narrow the filters... - Page 20 Manual Filtering Return to previous Move band right Move band left...
- Page 21 MLP MODE (Minimum Level Profiling)
- Page 22 MLP Mode The noise value is displayed on the bar chart Place sensor down, wait 3 seconds and press the record value button...
- Page 23 MLP Mode Removes the last Clears all recorded recorded noise noise values from from the chart the chart...
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