JVC Kdr740bt Owners Manual

11
BLUETOOTH®
Bluetooth mobile phoneToDo this
Activate or deactivate 
hands-free mode
 Press the volume knob during a call. •  Operations may vary according to the connected  Bluetooth mobile phone.
Adjust the phone 
volume
 Turn the volume knob during a call.
  Phone volume: [00] to [50] (Default: [15]) •  This adjustment will not affect the volume of the  other sources.
Adjust the 
microphone’s 
sensitivity level
 Press 1  ∞ / 2 5 during a call.  Sensitivity level: [01] to [03] (Default: [02]) (➜ 12)...

12
Hands-free menu operations
1 Press  .2 Turn the volume knob to make a selection (see the following table), th\
en 
press the knob.
  Repeat step 2 until the desired item is selected.
•  To return to the previous hierarchy, press G.
•  To cancel, press MENU.
RECENT CALL1  Turn the volume knob to select a name or a phone number. •  “>” indicates call received, “

13
Use Voice Recognition
1 Press and hold  to enter Voice Recognition mode.   If two phones are connected, turn the volume knob to select the desired \
phone, then press the knob.
2 Speak the name of the contact you want to call or the voice command to 
control the phone functions.
•  Supported Voice Recognition features vary for each phone. Refer to the i\
nstruction  manual of the connected phone for details.
•  This unit also supports the intelligent personal assistant function of i\
Phone.
Store a...

14
Bluetooth settings
1 Press and hold MENU.2 Turn the volume knob to select [BLUETOOTH], then press the knob.3 Turn the volume knob to make a selection (see the following table), th\
en press the knob.  Repeat step 3 until the desired item is selected.4 Press MENU to exit.
Default: 
XX
PHONE *1CONNECT / DISCONNECT: Connects or disconnects the Bluetooth phone or Bluetooth audio 
player.
AUDIO
APPLICATIONCONNECT / DISCONNECT: Connects or disconnects the JVC Smart Music Control  *2 in the smart 
phone....

15
AUDIO SETTINGS
AUDIOFADER
*4 *5R06 — F06 (00): Adjusts the front and rear speaker output balance. 
BALANCE *5L06 — R06 (00): Adjusts the left and right speaker output balance. 
BASS BOOST
+01 / +02: Selects your preferred bass boost level.  ; OFF: Cancels. 
LOUD
LOW / HIGH: Boosts low or high frequencies to produce a well-balanced sound 
at low volume. ; OFF: Cancels. 
VOL ADJUST
–05 — +05 (00): Presets the volume adjustment level of each source 
(compared to the FM volume level). Before adjustment,...

16
MORE INFORMATION
About discs and audio files•  This unit can only play the following CDs: 
 
•  This unit can play back multi-session discs; however, unclosed sessions will be skipped during playback.
•  Unplayable discs :
  -  Discs that are not round. 
  -  Discs with coloring on the recording surface or discs that are dirty.   -  Recordable/ReWritable discs that have not been finalized.
  -  8 cm CD. Attempting to insert using an adapter may cause  malfunction. 
•  DualDisc playback: The Non-DVD...

17
TROUBLESHOOTING
Symptom Remedy
Sound cannot be heard. •  Adjust the volume to the optimum level.
•  Check the cords and connections.
•  Use a shorter and thicker cord to connect the rear ground 
terminal to the car’s chassis.
“MISWIRING CHK WIRING THEN 
RESET UNIT”  / “WARNING CHK 
WIRING THEN RESET UNIT”  
appears and no operations can 
be done.    Check to be sure the terminals of the speaker wires are 
insulated properly, then reset the unit. If this does not solve 
the problem, consult your...

18
Symptom Remedy
Bluetooth®
No Bluetooth device is 
detected.•  Search from the Bluetooth device again.
•  Reset the unit. (➜ 3)
Pairing cannot be made. •  Make sure you have entered the same PIN code to both the 
unit and Bluetooth device.
•  Delete pairing information from both the unit and the  Bluetooth device, then perform pairing again.
“PAIRING FULL” appears.   The number of registered devices has reached its limit. Retry 
after deleting an unnecessary device.
“PLEASE WAIT” appears.   The unit is...

19
SPECIFICATIONS
Audio amplifier
Power Output 20 W RMS × 4 Channels at 4 Ω 
and ≤ 1% THD+N
Load Impedance 4 Ω (4 Ω to 8 Ω allowance) 
Frequency Response  40 Hz to 20 000 Hz 
Signal-to-Noise Ratio  80 dB A (reference: 1 W into 4 Ω)
Line-Out, Subwoofer-Out Level/
Impedance KD-A845BT / KD-R840BT: 4.8 V/10 kΩ load (full scale) 
KD-R740BT:
  2.5 V/10 kΩ load (full scale) 
Output Impedance  ≤ 600 Ω 
Tuner
FM Frequency Range 87.9 MHz to 107.9 MHz (200 kHz step)
87.5 MHz to 108.0 MHz (50 kHz step)
Usable...

20
INSTALLATION / CONNECTION
 Warning
• The unit can only be used with a 12 V DC power supply, negative ground.• Disconnect the battery’s negative terminal before wiring and mounting\
.•  Do not connect Battery wire (yellow) and Ignition wire (red) to the \
car chassis or Ground wire (black) to prevent a short circuit.
•  Insulate unconnected wires with vinyl tape to prevent a short circuit.
•  Be sure to ground this unit to the car’s chassis again after installa\
tion.
 Caution
•  For safety’s sake,...