KAPSCH TRAFFICCOM CANADA INC. 801660A Manuel D’Utilisation
Sheet 3 of 5
JANUS Interior Secure OBU/JANUS Feedback Secure OBU
Mounting Instructions for Passenger Vehicles
These mounting instructions are identical to the instructions for a standard JANUS Interior or JANUS Feedback OBU. The
main difference is the application of the Secure Mount bracket on the windshield glass (Fig-5).
Fig-5: Securing a JANUS Interior or JANUS Feedback OBU
1. Identify the front face of the OBU. It displays your agency label and two upward-pointing arrows (Fig.-1). This side
faces the driver with the arrows pointing toward the roof of your vehicle.
2. Identify the position in your vehicle in which the OBU will be securely mounted. The preferred location is between the
exposed edge of the windshield (roofline) and the rear view mirror post as long as the clearances in Fig.-2 can be
maintained. If there is insufficient room, the alternate location shown in Fig.-3 must be used.
maintained. If there is insufficient room, the alternate location shown in Fig.-3 must be used.
3. Having determined the mounting position in your vehicle, clean the inside surface of that section of the windshield if
necessary. Now carefully remove the protective backing from the Dual Lock® mounting strips on the rear of the OBU
as shown in Fig. 4 and firmly press the rear of the OBU against the glass. Maintain the pressure for about 15 seconds to
achieve a good bond.
as shown in Fig. 4 and firmly press the rear of the OBU against the glass. Maintain the pressure for about 15 seconds to
achieve a good bond.
4. Prepare the surface of the windshield for application of the 3M™ VHB™ acrylic foam tape adhesive per the
instructions supplied on the last sheet of this document. Next carefully remove the protective backing from the 3M™
VHB™ acrylic foam tape strips on the rear of the secure mount bracket (Fig-5), place the bracket over the OBU and
firmly press the rear of the bracket against the glass (Fig-6). Maintain the pressure for about 15 seconds to achieve a
good bond.
VHB™ acrylic foam tape strips on the rear of the secure mount bracket (Fig-5), place the bracket over the OBU and
firmly press the rear of the bracket against the glass (Fig-6). Maintain the pressure for about 15 seconds to achieve a
good bond.
Fig-6: JANUS Interior Secure OBU Assembly
The OBU may be removed by:
1. Opening the tamper proof screw with a special tool and freeing the top half of the secure mount bracket from the OBU
2. Lifting any one corner of the OBU with sufficient pressure to separate the Dual Lock® strips.
Do not remove the Dual Lock® or 3M™ VHB™ acrylic foam tape from the windshield and reuse it; obtain new strips from
your nearest Customer Service Center.