HL 10™ Acoustic Water Leak Locator
QUICK START GUIDE
Set-up
Insert enclosed battery into the receiver.
Turn the reciever On:
Push the power button
1
for 2 seconds to turn on.
Modes of operation:
Press button
1
to switch between two important op-
eration modes:
Mute Mode
– No signal is heard with the headphones. Mute is useful
before you move the microphone. The last sound level is frozen and the
LED
¿
lter display
2
blinks.
Normal
Mode
– The measurement begins with the ampli
¿
ed sound
heard through the headphones. The measured sound level is also indi-
cated by LED’s
3
.
Filter-settings:
Press button
4
to change
¿
lter settings. Filter-LED
2
indicates actual setting:
left LED
0 … 540 Hz
low frequencies
center LED
0 … 4000 Hz
low and high frequencies
right LED
540 ... 4000 Hz
high frequencies
Volume control:
The volume and the sensitivity of the handheld ampli
¿
er
is adjusted with buttons
5
. While listening to the ground, look for ambient
noises. Readjust volume and sensitivity if needed during your leak survey.
The adjusted resolution is indicated on the LED-display
1
. In addition, you
can use the built in volume control in the headphone cord.
Recommended measuring-sequence:
1. Mount PAM B-2 or Ground Microphone (GM) 80 to the
handheld device.
2. Put microphone onto the
¿
rst measuring point.
3. Turn the device on.
4. Select
¿
lter setting sound (0 … 4000 Hz, center LED).
5. Measure the sound level by watching the LED’s and listen
to the sound through the headset.
6. Select operation mode “mute” and the microphone
will turn off.
5
1
2
3
4
LED light
: Press button
4
to turn light on.
The light switches off as soon as you release it.
4
Charge condition and
battery replacement
Low batteries are indicated by
À
ashing
¿
lter-LEDs
2
. However, operation time of about
8 hours will continue after. To change batteries,
open the cover of the device by using a cross tip
screwdriver. Replace the batteries with a 2 AA, 1.5V.
Please make sure the batteries are installed cor-
rectly into the device. Close the cover and tighten
the screw appropriately.
Hands Free Carry:
Insert the velcro strap through your
.
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Fasten the carabiner hook through your belt loop and
insert the microphone cable wire.
Warranty: One year. Speci
¿
cations subject to change without notice. ISO 9001: 2000 Certi
¿
ed.
© 2008 Metrotech. All Rights Reserved.
P/N R12160
www.vivax-metrotech.com
