Question about Car Audio & Video
After spending an hour, here is how you do it. With the radio playing, press and hold the BAND button, until the word MANUAL displays in the bottom left. Then press and hold BAND, plus DISP (4). The radio will then go into Clock mode. You can change the hours by pressing the left scan, and the minutes by pressing the right scan. When finished, press the BAND button. To exit MANUAL mode, press and hold the BAND button.
Posted on Jul 28, 2014
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Posted on Jan 02, 2017
Setting the Clock
1) Press and hold in the BAND button  then press the DISP button  to toggle the display to the clock mode.
2) Press and hold in the BAND button  then press and hold in the DISP button  for at least 2 seconds.
3) Select left or right to adjust the time using the a-selector
Each time you select right >> using the a-selector , the minutes increment up by one digit (0 to 59).
Each time you select left << using the a-selector , the hours increment up by one digit (1 to 12).
*The clock only displays time in a 12-hour format.
There is no way to toggle the clock to a 24-hour format.
4) Press the BAND button  to set the clock into memory. This also resets the seconds counter to zero.
*The clock can only be set by turning power on to the unit and switching to the clock display mode. You cannot set the clock when it is displayed with only the igntion on. If you drain or remove the car's battery, the clock must be reset. While setting the clock, if another button or operation is selected, the clock set mode is canceled.
Posted on Dec 11, 2009
Usually, all aftermarket stereos have a standard wire colo code. Red being the positive current coming from the accessory switch, yellow being the current directly from the battery, black being ground and so forth. Simplest way to wire this up will be to go to your local car stereo shop and ask them for the wiring haress that goes on the dash side made specifically for your car model. It will come with the right color wires, so once you got it you just need to pair up the wires together and plug it into the dash like it was an OEM radio. The red goes with the red, yellow with yellow and so forth. Just be careful once you hit the speaker wires which are white, grey, green and purple since they have a positive and negative one, but its not too hard, just pay attention to the stripes or marks on the wires, one is plain colored and the other is striped, plain being positive and striped being negative.
Posted on Jul 07, 2009
The PU-9971 uses a hardwired code system inside your radio and will require specialist advice.
as they are the only source I know that will help you for free
Posted on Dec 12, 2009
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