Craig CBT3348A Bluetooth Car FM Radio Transmitter User Manual

Craig CBT3348A Bluetooth Car FM Radio Transmitter

LOCATION OF CONTROLS

1. USB Port 1 (For charging the external USB Device)
2. Button
3. USB Port 2 (For charging the external USB Device and Music playback)
4. LED Display
5. Button
6. Call Button
7. Car Cigar Lighter Plug

OPERATION

For listening to music from your BT Device through the unit and your car radio, follow the steps below:

Step 1

Pair the unit to your car radio:

1. Connect the unit to the car cigar lighter socket as illustrated below:
2. The unit will automatically power on and the voltage of the vehicle battery will appear on the LED Display on the unit as illustrated below:
3. A few seconds later, the FM radio frequency will appear on the LED Display as below:
4. Turn on your car radio and place the radio into FM mode as usual. Search for a blank FM channel without any radio signal received (For example, set it to 107.0 MHz).
5. Press and hold the Call Button for approximately 5 seconds until the FM radio frequency on the LED Display starts blinking.
6. Press the or buttons repeatedly to set or reset the FM radio frequency to your radio. (In this example, set it to 107.0 MHz).

Step 2

Pair your BT (Bluetooth) Device to the unit:

In first-time use or re‐pairing the unit to a new BT Device, pair it as below:

1. Power on and pair the unit to your car radio as step 1.
2. You will hear an audible prompt say “Bluetooth ready for connection”.
3. Power on the external BT Device and enter BT searching mode. Start pairing following the on-screen instructions from the external BT Device.
4. When paired, the unit will sound a prompt “Bluetooth connected”.
5. If pairing is complete you may now play music and answer the phone with your external BT Device and car radio.
6. During playback:
   • Press the Call Button to pause; press again to resume normal playback.
   • Press and hold the or buttons to adjust the volume level as desired. Or, using the volume controls on your car radio/paired BT Device to adjust volume level.
   • Press and release the  buttons repeatedly to skip tracks.
7.  If the unit is paired to a Cell Phone:
   • If a call is incoming during an active music session. Press the Call Button then speak to the Microphone to answer the call. When your call is complete, press the Call Button to disconnect or end the call and resume music playback.
   • Or, press and hold the Call Button for approximately 3 seconds to decline the incoming phone then resume music playback.
8. If a USB Device is already inserted into the Music Button the USB 2 Port, press and hold the Button for approximately 2 seconds then release it to turn to USB playback mode. Press and hold the Call Button again to turn back to BT playback mode.
9. When finished listening, unplug the unit from your car cigar lighter socket to shut off the unit.

Normal operation after pairing

1. Power on the external BT Device and enter BT playback mode.
2. Power on your car radio and receive the preset FM radio frequency as previously instructed.
3. Connect the unit to your car cigar lighter socket as previously instructed. You will hear an audible prompt say “Bluetooth ready for connection”.
4. Wait a few seconds until the unit is automatically paired to the external BT Device. When paired, the unit will sound a prompt “Bluetooth connected”.
5. After pairing is complete you may now play music and answer calls with your external BT Device and car radio.

USB

For listening to music from your USB Device through the unit and your car radio, follow the steps below:

1. Insert the external USB Device (not included) into the USB 2 Port on the unit as illustrated as follows:
2. Power on your car radio to the preset FM radio frequency as previously instructed.
3. Connect the unit to your car cigar lighter socket and enter it as previously instructed. Wait a few seconds, the audio will automatically start.
4. During playback:
   • Press the Call Button to pause; press again to resume normal playback.
   • Press and hold the or buttons to adjust the volume level as desired. Or, using the volume controls on your car radio to adjust the volume level.
   • Press and release the buttons repeatedly to skip tracks.
5.  If the BT of the unit is paired to a Cell Phone:
   • If a call is incoming during an active music session. Press the Call Button then speak to the Microphone to answer the call. When your call is complete, press the Call Button to disconnect or end the call and resume music playback.
   • Or, press and hold the Call Button for approximately 3 seconds to decline the incoming phone then resume music playback.
6.  If the unit is already paired to any BT Device, press and hold the Call Button for approximately 2 seconds then release it to turn to BT playback mode. Press and hold again to turn back to USB playback mode.
7. When finished listening, unplug the unit from your car cigar lighter socket to shut off the unit.

BUILT‐IN USB CHARGERS

The unit has 2 built-in USB Chargers. Use it to charge the external USB devices as below:

1. Connect the unit to the car cigar lighter socket to power the unit.
2. Connect the full-size USB Plug of the charging cable from the external USB Device to one of the USB ports on the unit.
3. Charging will automatically start. Monitor the charging status by the Charging Indicators on the external USB Device as usual.
4. When finished charging, disconnect the external USB Device from the USB Port.

TROUBLESHOOTING

Check the following before requesting service:

SYMPTOM	POSSIBLE CAUSE	POSSIBLE SOLUTION
Car Radio has no sound	The radio frequency between the unit and car Radio mismatch	Found and set the radio frequency of the Car Radio and unit in the same frequency as pages 2-3
No sound or sound weak	The volume of the unit was set to a minimum position	Rise the volume level of the unit by pressing and holding the  Button on the unit
	The volume of the paired radio was set to minimum position	Rise the volume level of the paired radio
	The volume level of the paired BT device is at a low level	Rise the volume level of the paired BT device
Sound distortion	The volume level is too high	Reduce the volume level of the unit by pressing and holding The button on the unit
	The volume of the paired radio is too high	Reduce the volume level of the paired radio
BT not functioning	The external BT device has NOT paired to the unit	Pair the external BT device to the unit as pages 3-4
	The external BT device is too far from the unit	Place the external BT device close to the unit

GENERAL SPECIFICATTION

Power source: DC 12 or 24 V, 1.3A (Max.) from car cigar lighter socket

• Output from USB Port 1: DC 5V, 2.1 A (Maximum)
• Output from USB Port 2: DC 5V, 2.1 A (Maximum) (Total 2.1A Maximum)
• FM Transmitting Frequency: 88-108 MHz
• BT Version: 5.0
• BT Operation Distance: Up to 32 Feet in the open area

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Craig CBT3348A Bluetooth Car FM Radio Transmitter-FAQs