NavLinkz RL4-SC15 User manual

Version 28.02.2023 HW:CAM (V100)/(V23) RL4-SC15
Video inserter
RL4-SC15
Compatible with Volvo vehicles with
Sensus Connect infotainment
and 8.7inch touch-monitor
Video-inserter for rear-view camera
and two more video inputs
Product features
Video-inserter for factory-infotainment systems
1 CVBS Input for rear-view camera
1 CVBS Input for front camera
2 CVBS Video-inputs for after-market Video sources (e.g. USB-Player, DVB-T Tuner)
Automatic switching to rear-view camera input on engagement of the reverse gear
Automatic front camera switching after reverse gear for 10 seconds
Video-in-motion (ONLY for connected video-sources)
Video-inputs NTSC compatible

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Contents
1. Prior to installation
1.1. Delivery contents
1.2. Checking the compatibility of vehicle and accessories
1.3. Boxes and connectors –video interface
1.4. Settings of the 8 Dip switches (black)
1.4.1. Activating the front camera (dip 1)
1.4.2. Enabling the interface’s video inputs (dip 2-3)
1.4.3. Rear-view camera setting (dip 5)
1.4.4. Front camera activation type (Dip 6)
1.4.5. Video representation
1.5. Settings of the 4 Dip switches (CAN function –red)
2. Installation
2.1. Place of connection
2.2. Connection schema
2.3. Connection - picture signal cable
2.4. Connection –10pin Power / CAN cable
2.5. Analog power supply for the video interface
2.6. Power supply output
2.7. Connection - video-sources
2.7.1. Audio insertion
2.7.2. After-market front camera
2.7.3. After-market rear-view camera
2.7.3.1. Case 1: Interface receives the reverse gear signal
2.7.3.2. Case 2: Interface does not receive the reverse gear signal
2.8. Connection - video-interface and external keypad
2.9. Picture settings
3. Interface operation
3.1. By factory infotainment button
3.2. By external keypad
4. Specifications
5. FAQ –Trouble Shooting-Interface functions
6. Technical support

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Legal Information
By law, watching moving pictures while driving is prohibited, the driver must not be
distracted. We do not accept any liability for material damage or personal injury resulting,
directly or indirectly, from installation or operation of this product. Apart from using this
product in an unmoved vehicle, it should only be used to display fixed menus or rear-view-
camera video when the vehicle is moving (for example the MP3 menu for DVD upgrades).
Changes/updates of the vehicle’s software can cause malfunctions of the interface. Up to
one year after purchase we offer free software-updates for our interfaces. To receive a free
update, the interface has to be sent in at own cost. Wages for de-and reinstallation and
other expenditures involved with the software-updates will not be refunded.
1. Prior to installation
Read the manual prior to installation. Technical knowledge is necessary for installation. The
video interface’s place of installation must be free of moisture and away from heat sources.
Before the final installation in the vehicle of the video sources, we recommend a test-run
to ensure the compatibility of vehicle and interface. Due to changes in the production of
the vehicle manufacturer there’s always a possibility of incompatibility.
1.1. Delivery contents
Take down the serial number of the interface and store this manual for support
purposes: ____________________

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Compatibility
Brand
Compatible vehicles
Compatible systems
Volvo
S60 from model year 2020,
S90 from model year 2017,
V60 from model year 2016,
V90 from model year 2016,
XC40 from model year 2019,
XC60 from model year 2018,
XC90 from model year 2015
Sensus Connect with 8,7”
monitor
Limitations
Video only The interface inserts ONLY video signals into the infotainment. For
inserting Audio signals either the possibly existing factory audio-AUX-
input or a FM-modulator can be used. If 2 audio sources shall be
connected to the infotainment, an additional electronic is necessary
to switch them.
Video sources NTSC video sources compatible only.
Factory rear-view camera Automatically switching-back from inserted video to factory rear-view
camera is only possible while the reverse gear is engaged. To delay
the switch-back an additional electronic part is required.
After market front camera The front camera will automatically be switched for 10 seconds after
disengaging the reverse gear. A manually front camera switching is
possible by external keypad.
Video input signal NTSC video sources compatible only
1.2. Checking the compatibility of vehicle and accessories
1.3. Boxes and connectors –video interface
The video-interface converts the connected after-market sources video signals into a LVDS signal
which is inserted in the factory monitor using separate trigger options. Further it reads the
vehicle’s digital signals out of the vehicle’s CAN-bus and converts them for the video interface.

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1.4. Settings of the 8 Dip switches (black)
Some settings have to be selected by the dip-switches on the
video interface. Dip position down is ON and position up is OFF.
*The front camera will only be switched automatically for 10 seconds after disengaging the
reverse gear, if dip6 is also set to ON (see following information).
After each Dip-switch-change a power-reset of the Video Interface has to be performed!
See the following chapters for detailed information.
1.4.1. Activating the front camera (dip 1)
If set to ON, the interface switches for 10 seconds from the rear-view camera to the front
camera input after having disengaged the reverse gear. In addition, a manual switch-over to
the front camera input is possible via keypad (short press) from any image mode. The
selection of automatic or manual front camera switching is controlled by dip6.
Description of the front camera Power supply: see chapter "Power supply output".
1.4.2. Enabling the interface’s video inputs (dip 2-3)
Only the enabled video inputs can be accessed by switching through the interface’s video
sources. It is recommended to enable only the required inputs. So the disabled inputs will be
skipped while switching through the video interfaces inputs.
Dip
Function
ON (down)
OFF (up)
1
Front camera
enabled*
disabled
Power supply output
(red wire)
+12V (max. 3A) when reverse gear
is engaged incl. 10 seconds delay
and +12V by manual switching to
front camera by keypad
+12V (max. 3A) ACC
2
CVBS AV1-input
enabled
disabled
3
CVBS AV2-input
enabled
disabled
4
No function
set to OFF
5
Rear-view cam type
after-market
factory or none
6
Type of front camera
activation
for 10 seconds after disengaging
the reverse gear and manually by
keypad
only manually by
keypad
7
Video reprtesentation
big size picture
small size picture
8
No function
set to OFF

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1.4.3. Rear-view camera setting (dip 5)
If set to OFF, the interface switches to factory picture while the reverse gear is engaged to
display factory rear-view camera.
If set to ON, the interface switches to its rear-view camera input „V4 Reverse“ while the
reverse gear is engaged.
1.4.4. Front camera activation type (Dip 6)
If the dip switch is set to ON (and dip1 is set to ON), the interface switches from the rear
camera to the front camera input for 10 seconds after reverse gear is disengaged. In
addition, manual switching to the front camera input is also possible from any image mode
by pressing the button (short press).
With the dip switch set to OFF (and dip1 set to ON), automatic switch-back tot he front
camera is deactivated, but the manual front camera switching option via external keypad
remains.
1.4.5. Video representation (dip7)
If dip7 is set to ON the inserted video is shown with big size.
If set to OFF the inserted video is shown with small size.
Note: Dips 4 and 8 are out of function and have to be set to OFF.
After each Dip-switch-change a power-reset of the Video Interface has to be performed!
1.5. Settings of the 4 Dip switches (CAN functions –red)
All 4 dip-switches of the video interface have no function for normal use
and have to be set to OFF.
Dip position down is ON and position up is OFF.
Vehicle/Navigation
Dip 1
Dip 2
Dip 3
Dip 4
All vehicles
OFF
OFF
OFF
OFF
After each Dip-switch-change a power-reset of the Can-box has to be performed!

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2. Installation
To install the interface, first switch off the ignition and disconnect the vehicle’s battery.
Please read the owner`s manual of the car, regarding the battery`s disconnection! If
required, enable the car`s Sleep-mode (hibernation mode)
In case the sleep-mode does not succeed, the disconnection of the battery can be done
with a resistor lead.
As with any installation of retrofit equipment, a stand-by test is neccessary after the
installation of the video interface, to ensure that the unit also switches off after reaching
the vehicle‘s sleep mode.
Before the final installation, we recommend a test-run of the interface. Due to changes in
the production of the vehicle manufacturer, there’s always the possibility of
incompatibility.
2.1. Place of connection
The interface has to be connected at the factory monitor.

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2.2. Connection schema

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2.3. Connection –picture signal cable
Remove the head unit
Disconnect the factory picture signal cable’s blue coloured female HSD connector from the
monitor’s rear-side and connect it to the purple coloured HSD connector of the enclosed
picture signal cable.
Connect the waterblue coloured female HSD connector of the enclosed picture signal cable
to the monitor’s previously become free blue coloured male HSD connector.
Connect the opposite female waterblue coloured HSD+2 connector of the picture signal
cable to the waterblue coloured male HSD+2 connector of the video interface.
Note: The colours of the HSD connector of head unit and factory harness may vary.

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2.4. Connection –10pin Power / CAN cable
Connect the 10pin power / CAN cable’s female 10pin connector
to the 10pin connector of the video interface.
Connect the single grey wire of the 10pin power / CAN cable
to the vehicle’s CAN-Low.
Connect the blue wire of the 10pin Power / CAN Cable
to the vehicle’s CAN-High.
Note: To handle the CAN+ and the CAN- connection, the enclosed
20pin OBD connector can alternatively be used,but a
perfect connection from behind without that connector
will avoid loose problems and dysfunction.
Connect the single brown wire of the 10pin Power / CAN Cable to vehicle’s negative
ground.
Connect the single red wire of the 10pin power/CAN cable to +12V ACC power supply.

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2.5. Analogue power supply for the video interface
If the communication between the CAN box and the vehicle’s CAN bus does not succeed (not
all vehicles are compatible), the analogue connection is required.
Connect the red wire ACC-OUT and the purple coloured wire Manual ACC of the
12pin interface cable to +12V ACC power supply.

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2.6. Power supply output
The red power supply output Front cam out +12V (max 3A) can be used to power an
external source and has a different assignment, depending on the position of dip switch 1
(of 8 dips):
Dip
Function
Dip 1 ON
+12V (max. 3A) when reverse gear is engaged plus 10 seconds delay
after reverse gear is disengaged and
+12V when manually switched to front camera by keypad (short press)
Dip 1 OFF
+12V permanent (max. 3A) ACC

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2.7. Connection - video sources
It is possible to connect an after-market rear-view camera, an after-market front camera and
two more video sources to the video-interface.
Before a final installation of the video sources, we recommend a test-run to ensure the
compatibility of vehicle and interface. Due to changes in the production of the vehicle
manufacturer there’s always a possibility of incompatibility.
Connect the 12pin interface cable’s female 12pin connector to the male 12pin connector of
the video-interface.
Connect the video RCA of the Rear-view camera to the 12pin interface cable’s female
RCA connector „Reverse V4.
Connect the front camera’s video RCA connector to the 12pin interface cable’s female
RCA connector „Front V3“.
Connect the video RCA of the AV source 1 and 2 to the 12pin interface cable’s female RCA
connector “Left (V1)” and ”Right (V2)”.

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2.7.1. Audio-insertion
This interface is only able to insert video signals into the factory infotainment. If an AV-
source is connected, the audio insertion has to be done by the factory audio AUX input or an
FM-modulator. The inserted video-signal can be activated simultaneously to each audio-
mode of the factory infotainment. If 2 AV sources shall be connected to the infotainment,
additional electronic is necessary to switch the audio signals.
2.7.2. After-market front camera
The red power supply output Front cam out +12V (max 3A) can be used to power a
front camera. If Dip 1 is set to ON (black 8 dips), the power supply output gives +12V
(max 3A) when reverse gear is engaged
Note: In addition, a manual switch-over to the front camera input is possible via keypad
(short press) from any image mode. The power supply output gives +12V then, as well (if Dip
1 is set to ON and the front camera input is selected).
Attention: A long press of the external keypad push button will switch the interface to the
next source.

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2.7.3. After-market rear-view camera
Some vehicles have a different reverse gear code on the CAN-bus which the video-interface
is not compatible with. Therefore, there are two different ways of installation. If the video
interface receives a signal of the reverse gear, the green wire “Reverse-OUT” of the 20pin
cable should carry +12V while the reverse gear is engaged.
Note: Do not forget to set video interface’s dip5 to ON before testing.
2.7.3.1. Case 1: Interface receives the reverse gear signal
If the interface delivers +12V on the green output wire of the 12pin interface cable while
reverse gear is engaged, the video interface will automatically switch to the rear-view
camera input “Camera IN” while the reverse gear is engaged.
The 12 V power supply for the rear-view camera (max 3A) has to be taken
from the 12pin interface cabl’s green wire “Reverse-OUT” to avoid an unnecessary,
permanent power supply to the camera electronic.
Both green cables “Reverse IN” and “Reverse OUT” have to remain connected.

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2.7.3.2. Case 2: Interface does not receive the reverse gear signal
If the video interface does not deliver +12V on the green wire of the 12pin cable when
reverse gear is engaged (not all vehicles are compatible), an external switching signal from
the reverse gear light is required. As the reverse gear light’s power supply isn’t voltage-
stabile all the time, an ordinary open relay (e.g AC-RW-1230 with wiring AC-RS5) or filter
(e.g. AC-PNF-RVC) is required. The diagram below shows the connection type of the relay.
Disconnect the green cable’s preconnected male- and female connectors of the 12pin
interface cable and connect the green input cable “Reverse-IN” to the output
connector (87) of the relay.
Note: Last but not lot least to avoid short circuits, the best solution should be, to
crimp a male 4mm connector to the relay’s output cable and connect it to the green
cable’s female 4mm connector. The output-cable “Reverse-OUT” remains
disconnected as it’s out of function.
Connect the Reverse light’s power-cable to coil (85) and the vehicle’s ground to coil
(86) of the relay.
Connect the output connector (87) of the relay to the rear-view camera’s power-
cable, like you did it to the green “Reverse-IN” cable before.
Connect stabile and permanent +12V to the relay’s input connector (30).

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2.8. Connection - video-interface and external keypad
Connect the female 4pin connector of the keypad to the male 4pin connector of the
12pin interface cable.
Note: Even if switching through several video sources by the keypad mightn’t be
required, the invisible connection and availability is strongly recommended.

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2.9. Picture settings
The picture settings are adjustable by the 3 push-buttons at the rear-side of the video-
interface. Press the MENU button to open the OSD settings menu or to switch to the next
menu item. Press UP and DOWN to change the selected value. The buttons are placed inside
in the housing to avoid accidental changes during or after the installation. Picture settings
must be done separately for all video inputs while the corresponding input is selected and
visible on the monitor.
Note: The OSD menu is only shown when a working video source is connected to the
selected video-input of the interface.
Contrast
Brightness
Saturation
Position H = horizontal picture position)
Position V = vertical picture position)
Guide-Pos = no function
H-SIZE = horizontal picture size
V-SIZE = vertical picture size

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3. Interface operation
3.1. By factory infotainment button
To switch the interface’s activated video sources, the factory infotainment buttons can be
used.
Press the according infotainment button to switch the input from the factory video to the
inserted video sources. If all inputs are activated by dip switch settings, the order is the
following:
Factory video  Video IN 1  Video IN 2  factory video
Each press will switch to the next enabled input. Inputs which are not enabled will be
skipped.
Switchover by vehicle buttons isn’t possible in all vehicles. In some vehicles the external
keypad has to be used.

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3.2. By keypad
Alternatively or additionally to the factory infotainment buttons, the interface’s external
keypad can be used to switch the enabled inputs. Even if not needed, the keypad should
always remain connected to the video interface for support purposes.
Long press of keypad (2-3 seconds)
By long pressing the external keypad (2-3 seconds), the video interfaces witches the input
from the factory video to the inserted video sources. Each long press will switch to the next
enabled input. Inputs which are not enabled will be skipped.
Note: The interface switches after releasing the switch (after long pressure).
Short press of keypad (only if DIP 1 is set to ON)
By short pressing the external keypad, the video interfaces witches from the factory video to
the front camera input and back to factory video.
4. Specifications
BATT/ACC range 7V - 25V
Stand-by power drain 10mA
Power 250mA @12V
Video input 0.7V - 1V
Video input formats NTSC
Temperature range -40°C to +85°C
Dimensions video-box 118 x 25 x 104 mm (W x H x D)