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9

•   Reset System Defaults: Press the 

ENTER/TIMER 

button and 

Press   or   buttons to select Confirm. Press the 

ENTER/

TIMER

 to return the unit to factory default set up values.

•  System Info: Display firmware version 

NOTE: Bluetooth Device menu options are only available 
while the Bluetooth feature is ON and the radio is in Bluetooth 
Audio mode.

NOTE: A locked Bluetooth device will not be overwritten from 
the list.

Low Voltage Alarm Operation

If Low Voltage Alarm is set to “On”, an alarm will sound (8 

beeps every 30 sec) when the voltage drops to 10.5V (+/- 

0.3V). A visual warning (LOW VOLTAGE) will appear, Press any 

button to dismiss visual warning, (reappear every 10-minutes) 

in the LCD display.

NOTE: “Off” is the default setting for Low Voltage Alarm. If the 
audio is muted or the volume is set to 0, the audible beep will 
not be heard.

Liquid Crystal Display (LCD)

The liquid crystal display (LCD) panel (3) displays the 

frequency, time and activated functions.

Press the 

POWER

 button (1) to turn the dimmer On (selected 

brightness level) and press again to turn dimmer Off 

(maximum brightness level). 

NOTE: LCD panels may take longer to respond when subjected 
to cold temperatures for an extended period of time. In 
addition, the visibility of the characters on the LCD may 
decrease slightly. The LCD display will return to normal when 
the temperature increases to a normal range. 

Setting the Clock

To set the clock to display the current time, turn the vehicle 

ignition on and turn the radio on. Enter the system menu and 

adjust the clock by selecting the “Set Clock” menu item.

•   Press 

ENTER/TIMER

 button (4) to enter clock setting 

menu.

•   press   or   to select hours, minutes, or 12/24 hour format.
•  Press   or   to adjust the setting field.
When no adjustment is made, the time will become set and 

normal operation will resume.

Setting Work Timer

To activate the work timer clock and running in the 

background,  

•  Press 

ENTER/TIMER

 button (4) to display work timer.

•  Press 

ENTER/TIMER

 button again to start/stop work timer. 

•  Press & hold 

ENTER/TIMER

 button to reset work timer.

•  Press 

RETURN

 button (5) to exit work timer display.

If timer is exited while running, “TIMER” flashed every 10 

seconds for 2 seconds in place of clock in footer right on the 

display. 

Summary of Contents for JHD22

Page 1: ...JHD22 AM FM WX BT PA USB Heavy Duty Radio Installation and Operation Manual PS AS INFO ENTER TIMER...

Page 2: ...ONTENTS Introduction 3 Safety Information 4 Installation 4 Wiring 6 Basic Operation 7 Tuner Operation 10 Bluetooth Operation 12 Care and Maintenance 14 Troubleshooting 15 Specifications 16 FCC Notes 1...

Page 3: ...Electronic Bass Treble Balance Fader Controls Maximum Output Power RMS 40W x 4 Clock 12 24 Hour Selectable Work Clock Timer Low Battery Voltage Alert Illumination Dimming USB Charging 2 Channel Pre am...

Page 4: ...existing 1 DIN radio opening In many cases a special installation kit will be required to mount the radio to the dashboard See the dealer where the radio was purchased for kit availability Always che...

Page 5: ...lly and make certain all connections are secure and insulated with crimp connectors or electrical tape to ensure proper operation 6 After completing the wiring connections turn the unit on to confirm...

Page 6: ...io out If removal keys are inserted at an angle they will not lock properly to release the unit Reconnect Battery When wiring is complete reconnect the battery negative terminal WARNING Do not connect...

Page 7: ...the following reasons Initial installation of the unit when all wiring is completed Function buttons do not operate Error symbol on the display Use a ball point pen or thin metal object to press the r...

Page 8: ...lected device s menu of available options Lock Unlock Connect Disconnect Delete and List loops Press ENTER TIMER button to select options Lock Unlock Press ENTER TIMER button to lock or unlock device...

Page 9: ...htness level and press again to turn dimmer Off maximum brightness level NOTE LCD panels may take longer to respond when subjected to cold temperatures for an extended period of time In addition the v...

Page 10: ...BAND SCROLL button 17 to change between FM1 FM2 FM3 AM1 and AM2 Manual Tuning Press hold the or buttons 6 7 to seek stations up down step by step Auto Seek Tuning Press the or buttons 6 7 to automatic...

Page 11: ...frequencies used A similar system is available in Canada under the Weatheradio Canada service administered by Environment Canada Tuning to Weatherband Press the MODE button 2 repeatedly to reach the...

Page 12: ...ptions are only available while the unit is in Bluetooth Audio mode Press and hold the SETUP button 9 for more than 2 seconds to enter the system menu Press the SETUP button repeatedly or or buttons 6...

Page 13: ...0000 if requested After connecting successfully you will be able to listen to music stored on your Bluetooth enabled device through the radio BT Audio A2DP The A2DP music is available for Bluetooth e...

Page 14: ...or melt plastic parts Ignition The most common source of noise in reception is the ignition system This is a result of the radio being placed close to the ignition system engine This type of noise can...

Page 15: ...dible level Wiring is not properly connected Check wiring connections The operation keys do not work Control panel is not properly installed Reinstall control panel Built in microcomputeris not operat...

Page 16: ...ia Japan 522 1629 kHz Sensitivity S N 20dB 30 dB General Frequency band s for Bluetooth 2 4 2 4835GHz Maximum radio frequency power transmitted for Bluetooth 4 dBm Operating Voltage DC 12 Volts Ground...

Page 17: ...tions However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determ...

Page 18: ...ASA Electronics Corporation www asaelectronics com www jensenheavyduty com 2022 ASA Electronics Corporation...

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