OWNERS MANUAL
The JHD910 is designed for a 4- to 8-ohm speaker load per channel. Two 8-ohm speakers wired in parallel create a 4-ohm load. The same speakers wired in series create a 16-ohm load, which is above the radio’s recommended range and may reduce available volume. Never wire speakers in a way that creates a load below 4 ohms, because the radio may overheat, distort or shut down.
The Jensen JHD910 proved to be an exceptionally versatile surface-mount radio. Although commonly installed in skid steers, it was also well suited for tractors, riding mowers, motorcycles, ATVs, RTVs, and other vehicles requiring a compact, rugged and weather-resistant radio.

The JHD910 is now discontinued, but many remain in service today. Owners who need a modern replacement should consider the Jensen JHD922BT, which retains the compact surface-mount design while adding Bluetooth audio streaming.

If your equipment operates on a 12-volt electrical system and needs a durable radio without a conventional dashboard opening, the Jensen Heavy Duty surface-mount radio line remains an excellent place to start.
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Jensen JHD910 Expert Guide: Hidden Features, Help and Replacement

For especially noisy equipment, the JHD910 includes a 3.5 mm (1/8-inch)headphone output among its rear connections. The connector can be mounted near the radio to provide the operator with convenient access to compatible headphones.

Although the Jensen JHD910 is now discontinued, many remain in daily service. Heavy Duty Radios has worked with the JHD910 for years, and the information below explains eight useful features that many owners never discover.
The JHD922BT uses the same compact mounting arrangement and square nine-pin connector, making it a practical replacement in many existing JHD910 installations. In many cases, the old radio can be unplugged and the JHD922BT connected without rewiring the equipment. Additional wiring may only be necessary when adding or using optional features.

Why the Jensen JHD910 Became a Surface-Mount Standard

JHD910 Mounting Options and Current Replacement

Eight Little-Known Jensen JHD910 Features

Settings are accessed by pressing and holding the AUDIO/MENU button for more than three seconds.
1.  Adjust the display brightness. Select low, medium or high brightness to make the screen easier to read in different lighting conditions.

2.  Change the display color. The display is amber by default, but it can be changed to green through the menu
.
3   Activate the Weather Band Alert. The WB Alert feature must be turned on through the menu before it can provide weather alerts.

4.  Set the radio’s startup volume. Use the AUDIO/MENU settings to choose how loudly the radio plays when it is turned on.

5.  Connect more than two speakers. The JHD910 can operate additional speakers when they are wired correctly and remain within the radio’s acceptable impedance requirements. See the series and parallel wiring diagram for examples.

6.  Play audio through the front AUX input. Connect the headphone output of a phone or another compatible audio device to the JHD910’s 1/8-inch auxiliary input. Select AUX mode on the radio to hear the connected device through your speakers.

7.  Check the speaker wiring if there is no sound. If a speaker wire is shorted to ground, the radio’s protection system may shut down the audio output on both channels
.
8.  Connect to many Kubota factory radio plugs. The JHD910 can plug directly into the square nine-pin radio connector found in many Kubota skid steers, tractors and utility vehicles. Verify that your equipment has the matching connector before installation

How to Set the Clock on a Jensen JHD910

Setting the clock is one of the most frequently asked questions about the Jensen JHD910. The process is simple, but it can be easy to forget because the clock is not adjusted very often.
1.  Press and hold the DISP button for more than three seconds.
2.  Release the button when the time begins flashing on the display.
3.  Press TUN
− to adjust the hour.
4.  Press TUN+ to adjust the minutes.
5.  After ten seconds without another adjustment, the radio will save the selected time and return to normal operation.

The Jensen JHD910 Legacy

Jensen JHD910 Heavy Duty radio shown with its selectable amber and green backlight colors. Change the display color through the AUDIO/MENU settings.

1.  Press and hold AUDIO/MENU for more than three seconds to enter the menu.
2.  Press AUDIO/MENU repeatedly until Backlight Color appears.
3.  Press VOL+ or VOL
− to select either:
     Amber
     Green
4.  Stop pressing buttons. After three seconds, the radio will automatically return to normal operation and save the selection.
Diagram showing two 8-ohm speakers wired in parallel for a 4-ohm amplifier load or in series for a 16-ohm load.
Jensen JHD910 Heavy Duty surface-mount radio shown with its wiring harness, square nine-pin connector, mounting bracket and installation accessories.
The Jensen JHD910 has been discontinued. This page is maintained to help current owners operate, understand and replace their radios. The Jensen JHD922BT is the current recommended replacement.
The JHD910 includes a stainless-steel 90-degree mounting bracket that allows the radio to be installed in several positions. The bracket can be adjusted to provide the best viewing angle and make the radio easier to reach inside a skid steer, tractor or other piece of equipment.

The bracket may also be removed so the radio can be mounted directly against a suitable surface. Four threaded mounting inserts on the radio provide additional installation options and can accommodate certain pedestal-style mounts similar to those used for mobile phones and other compact equipment.

With its rugged sealed metal chassis, the JHD910 helped establish the standard for compact, weather-resistant surface-mount radios. Its selectable US/European tuner settings also allowed it to be used in equipment operating in different parts of the world.

The JHD910BT and JHD916BT were later alternatives that added features such as Bluetooth, but those models have also been discontinued. The current recommended replacement for the JHD910 is the Jensen JHD922BT.
The Jensen JHD910 helped solve a common problem for skid-steer and heavy-equipment owners: how do you install a radio when there is no suitable space in the dashboard?

Instead of redesigning the equipment’s dashboard, ASA Electronics developed a compact surface-mount radio sold under the Jensen Heavy Duty brand. The JHD910 could be mounted where the operator could easily see and reach it without requiring a conventional in-dash radio opening.

The JHD910 became a popular choice for skid steers, tractors, utility vehicles and other work equipment. Versions of this radio were also used as factory-installed equipment by manufacturers including Bobcat and John Deere. Some factory versions may carry a different model number, but many share the familiar square nine-pin Jensen connector.

Several features made the JHD910 particularly well suited for demanding work environments. Its weather-resistant construction allowed it to be used in open- or enclosed-cab equipment. Simple controls, a job timer and a seven-channel NOAA Weather Band tuner made it practical for everyday use.

The JHD910’s two-wire power design also allowed it to preserve station settings and maintain its clock for up to 30 days while equipment sat unused. It did not require a separate constant-power memory wire like many conventional automotive radios.

A front-panel 1/8-inch auxiliary input is protected behind a rubber cover. Owners can connect the headphone output of a phone or another portable audio device and listen through the radio by selecting AUX mode. Although the JHD910 does not provide modern Bluetooth streaming, this wired connection continues to offer a dependable way to play personal audio.

The radio also provides separate bass and treble controls and two-channel output rated at 15 watts per channel. Additional speakers may be used when they are wired within the radio’s acceptable impedance requirements.
Jensen JHD910 included accessories showing the 90-degree mounting bracket, wiring leads, connectors and mounting hardware.
ORIGINAL JHD910 ACCESSORIES

How to Change the JHD910 Display Color

JHD910 Speaker Wiring and Connections

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