VM9423
Hands Free Profile (HFP)
To use a phone wirelessly with this unit, it is necessary to first establish a connection using Bluetooth wireless technology. Connection is normally established using HFP (Hands Free Profile), which gives you full control of functions available on the telephone source. However, depending on your phone, the connection may be made using HSP (Head Set Profile), making some functions unavailable. This is a limitation of your phone, not the VM9423.
Since there are a number of Bluetooth mobile phone implementations available on the market, operations with your Bluetooth mobile phone using this unit vary greatly.
Please refer to the instruction manual that came with your Bluetooth mobile phone along with this manual while operating your phone with this unit.
Pairing the Bluetooth System with Your Mobile Phone and Head Unit
1.Press the 
button (8) to initiate the pairing process. Keep the mobile phone within 2 meters of the head unit when pairing. (To terminate the pairing process, press the 
button again.)
2.Select the Bluetooth setup option on the mobile phone to be paired (please refer to the phone’s instruction manual to learn how to enter Bluetooth setup, turn Bluetooth on/off, and perform pairing).
NOTE: Some phones require a “pass key” or pairing code to connect. If your phone requires a pass key or pairing code, you will need to enter this number in the Pairing Code field under the Bluetooth SETUP menu. The default pairing code for many phones is “0000”. The default code for the VM9423 is “1234”. See “Bluetooth
3.Select “VM9423” from the pairing list on the mobile phone.
•If pairing is successful, the TFT will display the paired mobile phone model number or name (as specified in your phone’s Bluetooth Setup menu).
•If pairing fails, “Phone Pairing Fail” is displayed at the bottom of the screen.
Reconnecting
Once the Bluetooth device has been paired, you can touch the connect 
button to reconnect.
NOTE: You can only connect to a phone using the buttons on the
Each time the 
button is pressed, the head unit will automatically reconnect with the mobile phone once (only if the mobile phone was previously paired with the head unit).
Managing Incoming Calls
When connected to a Bluetooth phone, the unit will mute audio output, pause CD play, and change to the Bluetooth screen when a call is received. An incoming phone number will appear at the top of the screen. If the screen is closed, the number will scroll across the LCD. If the incoming call has no caller ID, the TFT or LCD will display “Restricted Number”.
Answering an Incoming Call
To answer the call, touch the 
button. For best reception, speak loudly and clearly.
To end the conversation, press the 
button. The screen will display the call duration for 3 seconds, and then return to the previous mode.
Rejecting an Incoming Call
Touch the 
button to reject an incoming call. The call will revert to your phone and can be answered directly or left for voice mail.
Volume Control
To increase or decrease the volume level, turn the AUDIO control (5) on the front panel or press the VOL+/ VOL- buttons (15, 16) on the remote control.
Microphone Mute
To mute the microphone, touch the 
button. Touch again to resume microphone functionality.
Making an Outgoing Call
NOTE: Press the 
button from the main Bluetooth screen to automatically dial the last call received.
1.Touch the 
button to open the direct dial screen.
1 | 2 | 3 | Exit |
4 | 5 | 6 | Clear |
7 | 8 | 9 |
|
* | 0 | # |
|
|
|
|
2.Use the
•Touch the CLEAR button to clear the last digit.
•Touch the 
button to clear the entire number and start over.
3.After entering the phone number, press the 
button to dial the call. The direct dial screen will close once your call is connected.
To end the conversation, press the 
button.
Call Transfer
While talking, to transfer audio from the head unit back to the
mobile phone, touch the 
button (7). The TFT will display “Transfer”. You can only transfer a call after it has been answered.
Menu List
The menu list appears on the left side of the screen and can be accessed from other modes by touching the MENU button on the right side of the screen.
NOTE: Not all phones allow access to missed, received or dialed calls and some will not allow uploading of your phone’s address book.
Missed Calls
The Missed Calls list retrieves the list of Missed numbers from your phone. The last missed number is the first number on the list. Touch the Missed Calls menu option to view the list. To make a call from the Missed Calls list, touch the
number and then touch the 
button. The TFT will display “Cannot get missed record” when the feature is not available.
Dialed Calls
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