Jensen ANHD20 User Manual

ANHD20

MOBILE OMNI-DIRECTIONAL WIDEBAND ANTENNA

Installation and Operation Manual

PATENT PENDING

INTRODUCTION

Thank you for choosing a Jensen. We’ve tried to make the instructions in this owner’s
manual clear and easy to follow. If you take a few minutes to look through it, you’ll learn how to use
all of the features of your new Jensen antenna for maximum enjoyment.

Contents

Precautions………………………………………………………………………………………….….1
Preparation…………………………………………………………………………………………..….1
Installation………………………………………………………………………………………...…1- 4
Operation………………………………………………………………………………………….……5
Specifications…………………………………………………………………………………………..5
System Layout………………………………………………………………………………………….6
Troubleshooting………………………………………………………………………………………...7

PRECAUTIONS

• Proper Power Supply
This product is designed to operate with a 12 volt DC, negative ground power system

• Use Authorized Service Centers
Do not attempt to disassemble or adjust this precision product. Contact a professional for service

• Do not install couplers or splitters between the wall plate and antenna
Installation of any item on this cable lead may cause a short. This cable provides power to the
Antenna preamp.

• Power Supply should disconnected during installation
Connect all coax cable connections before connecting +12VDC wire to the wall plate. The switch
should be in the OFF position when connecting/disconnecting cables.

• All coaxial cable used should be RG-6U for optimal performance

• Painting the Antenna is not recommended and may affect performance

• Do not use solvents to clean antenna. Use only mild soap and water.

PREPARATION

Please read all instructions before beginning the installation.

Tools and Supplies

• Drill or Battery Driver with a #2 Phillips Bit

• ½” Drill Bit

• Caulking Gun

• Tube of Approved Exterior Roof Caulk

• RG-6U Coaxial Cable

• 16AWG Power & Ground Wire

ANTENNA INSTALLATION

1. Remove all packaging contents from shipping box.

2. Locate the Antenna Housing

3. Determine a suitable location to mount the antenna. This location should allow for approximately 24”

of clearance around the antenna. Avoid close proximity to other roof mounted objects (AC, Vents, &

Roof Edges). See Figure 1 below.

RO O F VIEW

AC

24"

V EN T

N O TE : A N TE N N A S H O UL D B E M O U N TE D A S C LOS E T O
TH E CEN T ER O F T HE R O O F A S P O S SIB LE F O R B E ST
R EC E P TIO N.

TH E AN T EN N A SHO U LD N O T B E L O CA TE D W ITH IN 2 4"
O F A N Y O B JE C T O R ROO F E D G E.

FIG U RE 1

2

ANTENNA INSTALLATION

4. Remove metal base from plastic housing by removing the lock screw and sliding the base away from

the plastic stalk. Mark hole locations on roof. Drill 5/8” hole for the coax cable. Pre-drill the 3
mounting screws holes with a 1/8” bit. Route RG6 Coax from wall plate through hole. See Figures
2, 3, & 4.

FRONT OF

VEHICLE

3 - 1/4"x14 SCREWS (INCLUDED)

MOUNTING BASE

APPLY APPROVED

CAULKING COMPOUND

AROUND THE 4 HOLES

LOCK SCREW

ANTENNA

MOUNTING BASE

FIGURE 2

5. Apply approved caulking compound around all holes. Place base over holes and caulking. Secure

base using the included 3 screws. Apply approved caulking compound to screw heads and fill ½”
hole with caulking compound. See Figure 4

6. Connect the 2 coax cables ensuring the fitting is snug (Do Not Over tighten). Reinstall the plastic

housing onto the base. Reinstall the lock screw.

7. Additional caulking compound may be applied to the outside seam of the base. Please note there is a

moisture weep hole at the rear of the base. If proper sealing techniques are used (as described in
Step 5) you should not need to add additional caulking around the base.

NOTE: The Caulking compound used should be approved for the type of vehicle and environment.
Check OEM recommendations for your vehicle. Material should be a non-hardening type such as
Butyl caulking.

CENTER LINE

DRILL 5/8" HOLE

OF ROOF

FIGURE 3

A P P L Y A P P R O V E D C A U L K IN G

C O M P O U N D 4 P L A C E S

F IG U R E 4

3