Question about V1 Radar Detector
Occasionally I receive three beeps of different tones immediately followed by a "J" display. I thought I was seeing things, but this has happened three times so far and I have only had the V1 detector for about a week. Thanks for any help you can give.
That is an indication that the unit is "seeing" non radar signals otherwise "Junk"
Posted on Dec 06, 2008
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Posted on Jan 02, 2017
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Feb 03, 2015 | Pioneer New Original SX316S Remote Control
Whenever a recoverable error occurs during POST, the BIOS displays an error message
describing the problem (see Table 53). The BIOS also issues a beep code (one long
tone followed by two short tones) during POST if the video configuration fails (a faulty
video card or no card installed) or if an external ROM module does not properly
checksum to zero.
An external ROM module (for example, a video BIOS) can also issue audible errors,
usually consisting of one long tone followed by a series of short tones. For more
information on the beep codes issued, check the documentation for that external
There are several POST routines that issue a POST terminal error and shut down the
system if they fail. Before shutting down the system, the terminal-error handler issues
a beep code signifying the test point error, writes the error to I/O port 80h, attempts
to initialize the video and writes the error in the upper left corner of the screen (using
both monochrome and color adapters).
If POST completes normally, the BIOS issues one short beep before passing control to
the operating system.
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