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Frequently ask questions and troubleshooting
What is the difference between this FM modulator and FM transmitter?
1.
Unlike FM transmitters, this FM modulator connects directly to the
Mercedes radio antenna socket (input) to provide high quality sound as you
would expect from a commercial radio station. FM transmitter's sends
music signal over the airwaves, picked up by the antenna mast and then
sent to the radio and prone to interference depending on weather
conditions, topology, and landscape.
2. No audio is heard even though radio is on the tuning frequency
Check that ignition and toggle switch are on the "ON" position and smart
device has paired.
3. How good is sound quality from this module?
Contrary to what you may have heard, the modulator included in this kit
sounds very good and far better than FM transmitters which are subject to
noise and interference.
4. Does the A2D-MBFM work on all Mercedes radios?
Works on any Mercedes/Sprinter radio with ISO or FAKRA antenna
terminals.
5. Can I control Smart device from radio buttons?
NO;
you must continue to use audio device built-in controls and radio
volume control button to set playback level.
6. I hear lots of distortion. What do you suggest doing?
Ensure radio is set to selected Frequency.
7. Will radio mute when I receive or make a phone call?
If streaming, the speaker will mute and call number is announced on car
speakers. When call has ended, steaming playback is resumed.
NOTE: Call must be taken on handset. (this module does not support
hands-free calling).
8. Why I'm I not able to pair a second smart device?
In order to pair a second device, ensure no other device has already
paired otherwise disable Bluetooth on first device and pair second.
9. Do I need to connect red wire to Accessory (key on) or Battery
(always on) supply wire in my vehicle?
It is possible to connect red wire to Accessory or Battery power. If
connected to Accessory, the module will power on/off with ignition key in
which case the included toggle switch must be left in "ON" position.
If red wire is connected to battery supply (always on), we recommend
using the toggle switch to turn the unit on/off. If left "ON" it could drain
vehicles battery.
Disclaimer
• This product has no affiliation with Mercedes, Becker or Alpine
• There are no warranties expressed or implied by purchase of this product
• We're not liable for misuse of this product.
Email
support@discountcarstereo.com
© 1995-Dec-23 Discount Car Stereo, Inc. All rights reserved. Information in this document is
subject to change without notice. Other products and companies referred to herein are
trademarks or registered trademarks of their respective companies or mark holders.
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