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SAFETY PRECAUTIONS

Important  Warnings  to  Take  Note  of  BEFORE 
Commencing Installation
Damage  Caused  By  Incorrect  Installation  or  Usage  is 
NOT Covered By Warranty.
PLEASE  Take  the  Time  to  Read  the  Installation  Notes 
Carefully.
To Validate the Warranty Please Ensure That the Unit is 
Installed  by  a  Professional,  VAT  registered  Car  Audio 
Installation Company.

To avoid short in your vehicles electrical system, be sure to disconnect 
the battery cable before beginning installation.

The unit is intended for vehicles with a 12-volt battery and negative grounding. 
Before installing the unit in a recreational vehicle, truck, or bus, check that the 
battery voltage is 12 volts. 

Remove the two transport screws from the top of the unit before instal-
lation.

Be sure to connect the negative (-) speaker leads to the negative (-) speaker 
terminal. Never connect the negative (-) speaker leads to chassis ground. 
This  unit  is  only  designed  for  use  with  4  speakers.  Do  not  combine  outputs 
for use with 2 speakers. Do not ground negative speaker leads to the chassis 
ground. 
Speakers connected to this unit must be high-power units with a minimum rat-
ing of 45W and impedance of 4 to 8 ohms. Connecting speakers with output 
and/or impedance values other than those noted there will result in damage 
to the head unit and the speakers. 

Check the condition off your speakers carefully - connecting the unit to 
old  of  degraded  speakers  may  result  in  a  fault  which  will  damage  the 
audio IC and invalidate the warranty. 

If  this  unit  is  installed  in  a  vehicle  that  does  not  have  an  ACC  (accessory) 
position on the ignition switch, the red lead of the unit should be connected to 
a terminal coupled with ignition switch ON/OFF operations. If this is not done, 
the  vehicle  battery  may  be  drained  when  you  are  away  from  the  vehicle  for 
several hours.

Summary of Contents for BV7254

Page 1: ......

Page 2: ...gative speaker terminal Never connect the negative speaker leads to chassis ground This unit is only designed for use with 4 speakers Do not combine outputs for use with 2 speakers Do not ground negat...

Page 3: ...gh the orange lead Connect to an external power amp s system remote control or the car s Auto antenna relay control terminal max 300mA 12V DC If the car features a glass antenna connect to the antenna...

Page 4: ...of installation technicians We strongly recommend that this unit should be professionally installed by a VAT registered installer this is a require ment to validate the warranty IMPORTANT Remove the...

Page 5: ...io into dashboard Then apply the trim frame to outside of radio 4 Support radio using rear mounting bolt and steel bar not included DIN Front Mount INSTALLATION WARNING Disconnect negative battery ter...

Page 6: ...the screw holes at the sides of the unit and the holes of the existing vehicle mounting bracket 1 Remove the hooks on both sides 2 Aligh the screw holes of the mounting bracket supplied with the car a...

Page 7: ...t is designed for use with four 4 speakers with impedance between 4 Ohms to 8 Ohms 2 An Impedance load of less than 4 Ohms could damage the unit 3 Never bridge or combine the speaker wire outputs When...

Page 8: ...Sequence of equaliser setting will be EQ OFF POP ROCK CLASSIC G Beep On off Press the SEL Button until the display shows BEEP ON then use the VOL Button to turn the beep sound off The word BEEP OFF wi...

Page 9: ...ns in that FM band will be scanned press the button in AM mode and scan the band stations of that AM Band 4 LIST button In radio mode press the LIST button to go to the preset stations list Press agai...

Page 10: ...The unit will choose the strongest FM signal for the selected station so that you do not have to re tune the stations when driving between different transmitter coverage areas When AF is on it means R...

Page 11: ...3 TYPE button Switch the current playback eg Music to another type eg Video by pressing the TYPE button The type switch will depend upon the contents in the USB SD device 4 HOME button Press the HOME...

Page 12: ...a 3 5mm stereo jack on the front panel of the unit Press the Mode button to choose AUX Connect any portable audio device such as a MP3 player to unit Use the volume control to adjust volume 2 RCA Out...

Page 13: ...move the cover from the back of the remote control 2 Insert a CR 2025 Lithium battery 3 Insert the battery holder into the back of the remote control 1 Power On off 2 Mode Switch Button 3 Stop Playbac...

Page 14: ...wer Unit stops responding or shows error in display Unable to receive radio stations Poor effect on receiving a station CAUSE SOLUTION Check whether the fuse is blown replace with fuse of proper value...

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