Audiovox VOH681 User Manual

VOH681/VOH681P  
Operation  
Manual  
Features  
6.8” TFT (Thin Film Transistor) Active  
Matrix LCD (Liquid Crystal Display)  
Monitor  
Congratulations on your purchase of the Audiovox  
VOH681/VOH681P drop-down Video Monitor. The  
VOH681/VOH681P has been designed to give you  
and your family many years of video entertainment in  
the mobile environment. Please read the directions  
that follow to familiarize yourself with the product and  
to ensure that you obtain the best results from your  
equipment.  
IR transmitter for Wireless Headphones  
Remote Sensor Eye  
Three Audio/Video Inputs  
Headphone Amplifier  
Please note: Installation options vary, see the  
individual owner’s manuals for each component in  
your system to obtain a full understanding of each  
component’s operation.  
Two Headphone Jacks for Wired  
Headphones  
Built-in Dome Lights  
Backlit Controls for Low Light Operation  
Push button screen Brightness Controls  
1
2
12  
3
4
5
7
6
8
9
10  
11  
Front Panel  
1. Infrared Transmitter - Used to transmit audio  
10. Headphone Jacks – allows plug-in of two wired  
headphones with 1/8” stereo jack.  
to wireless headphones  
11. Auxiliary A/V Stereo Input – allows plug-in of  
camcorder, game, portable DVD player or other  
A/V source with RCA type output connectors.  
2. Power button – (Bright red when system is On,  
dim when Off)  
3. Volume Up/Down – Controls volume to  
headphone jacks and external speakers if  
connected  
12. Brightness Up/Down Control - use the  
brightness up/down buttons to adjust the picture  
brighter or darker.  
4. Source Select – used to select one of the three  
A/V sources.  
5. Source indicator LEDs - Indicate the current  
Turning the VOH681/VOH681P On or Off  
video source  
1 Sliding the screen release lock forward will unlock  
the LCD screen and it will drop down slightly. Pivot  
the screen downward until a comfortable viewing  
angle is reached. The internal friction detent will  
hold the screen in position while the system is in  
use.  
6. Sensor Eye – Receives signals from infrared  
remote controls and relays them to remote  
mounted equipment.  
7. Three position Dome Light Switch  
Auto – Automatically switches on the dome  
lights in conjunction with the vehicle’s interior  
illumination  
2 Pressing the power button on the pod will turn the  
system on or off alternately. Wheninusethe internal  
backlighting will illuminate the controls.  
Off – The Dome lights will not turn on in this  
position  
3 After the unit has been turned on and is displaying  
a picture, adjust the viewing angle and brightness  
controls to optimize the picture quality.  
On – Turns on the Dome lights.  
8. Dome lights – provide additional illumination  
4 Remember to turn the unit off and pivot the LCD  
to the locked position when not in use.  
9. Screen Release – Slide in direction of arrow to  
release the flip down screen  
Operation  
Overhead Dome Lights  
Remote Sensor  
The VOH681/VOH681P incorporates an infrared  
sensor which relays signals from any infrared remote  
control to allow a remote mounted device to be  
controlled simply by pointing its remote control at the  
remote sensor eye mounted on the pod. This  
provides control of auxiliary equipment such as Video  
Cassette and DVD players. The infrared sensor can  
relay signals from any manufacturer’s remote control  
to its respective component connected to the AV1 or  
AV2 inputs.  
The lights integrated into the VOH681/VOH681P are  
controlled by a three position slide switch. Sliding  
the switch to the on position will turn the lights on.  
The off position will prevent the lights from turning  
on at all times, and the auto position will allow the  
lights to turn on and off with the vehicle’s interior  
lighting. Do not leave the vehicle unattended with  
the dome light switch in the on position, as this could  
result in a discharged battery  
Dome  
Light  
Switch  
Remote  
Sensor eye  
Optional Accessories  
Wired Headphones  
External Auxiliary A/V Stereo inputs (Aux )  
There are two 1/8” headphone jacks on the VOH681/  
VOH681P that can be used with any standard stereo  
headphones. These jacks are controlled by the  
volume up / down buttons on the VOH681/VOH681P  
or the remote control. Remove and save the  
protective plastic cover to access the jacks.  
Remember to replace the cover when the jacks are  
not in use  
These inputs are provided to facilitate the temporary  
connection of optional audio / video equipment, such  
as a camcorder or video game system. They can be  
accessed by removing their protective plastic cover  
located behind the LCD hinge. To play a source with  
these inputs, use RCA patch cord to connect the audio  
/ video signals to their respective jacks. Mono audio  
sources will require the use of an RCA Y cable  
(PN 0892165) to connect to both right and left inputs.  
Once the connections have been made, turn the  
VOH681/VOH681P on and press the source selector  
button on the pod until the “AUX” indicator LED  
illuminates. The unit will now play the audio and video  
signals from the accessory connected.  
Wireless Headphones  
The VOH681/VOH681P includes a built in infrared  
transmitter for use with Audiovox wireless  
headphones (PN MVSWHS). Turning the headphone  
switch on, and wearing them activates the internal  
micro switch which will activate the internal IR receiver  
and the volume can then be adjusted separately with  
the controls on each headset. Any number of wireless  
headphones can be used, but all must be within a  
line of sight from the transmitter, as infrared  
transmissions, like visible light travel only in a straight  
line. See the documentation accompanying your  
Audiovox wireless headphones.  
External  
Auxiliary A/  
V Stereo  
inputs  
Infrared  
Transmitter  
Wired FM Modulator  
Audiovox Video Cassette Player (AV1)  
Your video system may be equipped with an RF  
modulator, that allows you to listen to the VOH681/  
VOH681P’s audio signal by tuning your vehicle’s radio  
to the selected frequency, (88.7 or 89.1 - Check with  
your installer) and turning on the remote mounted  
RF modulator switch. (In most cases this toggle  
switch will be located underneath the driver’s side of  
the dash, check with your installer for the exact  
location.) Whenever the RF modulator is on,  
broadcast radio reception will be poor. Turning the  
remote mounted toggle switch off will allow normal  
radio reception.  
In most installations a VCP will be connected to the  
“AV1” input. To view a video cassette, turn the  
VOH681/VOH681P On and press the source button  
on its control pad until the “AV1” indicator LED  
illuminates. The VCP may also be operated with a  
remote or the buttons on its face. The VOH681/  
VOH681P is now ready to play the audio and video  
signals from the VCP if it is connected to the “AV1”  
input. Inserting a tape into the VCP will automatically  
turn it on and activate the play mode. If a rewound  
tape had already been loaded into the VCP, prior to  
its activation, press play on the VCP or on the remote  
control to view the tape. For more information see  
the operator’s manual accompanying your VCP.  
Video Output  
The VOH681/VOH681P provides a video output for  
an optional video monitor(s). (Refer to page 7 of the  
installation guide for more details.) This output will  
provide a video signal that duplicates the signal  
displayed by the VOH681/VOH681P to an additional  
monitor or video display. Please see your installer  
for more information.  
Warnings  
v Do not use any solvents or cleaning materials  
AV2  
when cleaning the video system.  
The second video input may be connected to a DVD  
player, video game system, or other audio / video  
input. To play the AV2 source, turn the VOH681/  
VOH681P on and press the source button on the pod  
until the “AV2” indicator LED illuminates. Turn the  
source component on with its power button or remote  
control. The VOH681/VOH681P is now ready to play  
the audio and video signals from the source  
connected to AV2 inputs.  
v Do not use any abrasive cleaners, they may  
scratch the screen. Use only a lightly dampened  
lint free cloth to wipe the screen if it becomes dirty.  
v Lock the LCD screen in the fully closed position  
when not in use.  
v Before putting on headphones always adjust the  
volume setting to the lowest position.  
v Remember to leave the dome light switch in the  
off or auto positions when the vehicle is  
unattended, as the dome lights, if left on, can drain  
the vehicle’s battery.  
v Do not put pressure on the LCD screen.  
v Caution children to avoid touching or scratching  
the screen, as it may become dirty or damaged.  
Troubleshooting  
Replacement Parts  
Protective Plastic Cover  
1023336  
SOLUTION  
PROBLEM  
Poor radio  
reception (FM  
modulator  
installed)  
Check the condition of the  
vehicle’s radio antenna.  
Verify that the antenna is fully  
raised.  
Optional Audiovox VCP Remote Control 0993000  
Specifications  
If a wired RF modulator has  
been installed, verify that its  
switch is turned to the off  
position.  
LCD Backlighting  
Resolution  
Edge Light Tube  
1152 x 234  
269,568  
IR sensor  
inoperative  
Verify that the batteries in the  
suspect remote are fresh.  
Verify that the remote repeater  
eye is not obstructed.  
Verify that the infrared  
transmitter is affixed over the  
sensor eye of the component  
to be controlled  
Pixels  
Operation Temperature  
Storage Temperature  
Expected Backlight Life  
0 - 40º C  
-20 - 80º C  
10,000 Hours  
Video Display System  
VOH681  
NTSC  
VOH681P  
PAL BG/I  
Audio Output  
0.1W @ 16  
© Copyright 2000 Audiovox Corp., 150 Marcus Blvd., Hauppauge, NY 11788  
128-5623B  

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