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952.007UK User Manual
Introduction
Thank you for choosing the Adastra VM25B car roof megaphone for mobile announcements. This product
is designed to offer convenient and easy operation for a wide range of portable public address
requirements. Please use the following instructions to gain the best results from your megaphone.
Safety
The VM25B can produce high sound pressure levels at close quarters. Please be aware not to aim the horn
flare toward listeners at close proximity, which may risk damage to the listeners’ hearing.
The VM25B is powered from the vehicle’s 12Vdc supply. There are no re-chargeable batteries inside.
Positioning during operation
The mounting bracket is provided with a suction cup for mounting to a suitable area of the vehicle roof.
Ensure that the surface is clean to avoid damage to the finish.
Cleaning
The horn housing is water resistant and can be cleaned with a damp cloth. Do not use detergents or
solvents on the housing and take care not to allow liquids to get inside the housing at the rear. Keep the
handset inside the vehicle and away from moisture.
Handset Controls
Setting up
The VM25B megaphone is fitted with a lever-action suction cup for fitting to a vehicle roof. Before using
this, ensure that the mounting surface is clean and clear of debris to avoid damages to the finish and
ensure an air-tight seal. Moisten the rubber foot of the suction cup and place the VM25B into position with
the suction lever in the ‘up’ position, press down firmly and pull the lever down to the horizontal position.
Check that the seal is strong and that the VM25B cannot be moved. Alternatively, for permanent
installation, the suction cup can be removed and the mounting bracket can be bolted in place.
1.
3.5mm AUX input
2.
SD card slot
3.
USB input
4.
Power on/off
5.
Siren
6.
Mode select
7.
Previous track / Vol -
8.
Microphone
9.
LED indicators
10.
Loop record
11.
Loop playback
12.
Next track / Vol +
13.
Play / Pause media
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