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Function setting keys 3. Measuring button 4. Battery cover 5. Laser indicator 6. Temperature detecting window Ⅳ. Using methods: 1. Safety requirements: 1.1 Do not point the laser beam towards the eyes directly, or it may cause permanent damage to the eyes. To operate any of your device you need to enter some specific digit numbers such as 2, 3, 4 or 5 digit device code into your universal tv remote those codes you can find by Brand, Cable Box & DVR, Satellite Box & DVR, Dvd & Blu-ray Player, CD Player, VCR or Misc Audio Aux and you can find all universal remote codes in single table.

The Spectra radios report most problems detected during the self-check on power up. These will be shown on the control head's Vacuum Fluorescent Display (VFD). They will be in one of three formats:

• ER xx/yy or ERROR xx/yy
• FL xx/yy or FAIL xx/yy
• FAIL nnn

Where 'xx' and 'yy' will be hexadecimal characters (0-9, A-F), and 'nnn' will be a decimal value (000-999).

Problems displayed with the 'xx/yy' format consist of a two-digit prefix ('xx')that identifies the source of the problem followed by a two-digit code ('yy') that specifies the particular problem. For example, a radio FAIL code may look like this: 'FAIL 01/90', where the first two digits ('xx' in the format above, '01' in this example) identifies the source of the error and the second two digits ('yy' in the format above, '90' in this example) is a unique error code that identifies the particular problem or trouble.

Problems displayed with the 'nnn' format are usually associated with temporary conditions that may go away if a different mode is chosen.

T2 Laser Key Code

A FAIL message is fatal and the radio will usually not work at all. Many ERROR messages will still allow the radio to work at reduced capacity, depending on the identified problem. For example, a disconnected external device or accessory will cause an ERROR message but the radio may still operate just fine without it.

NOTE: If you get the dreaded 'FAIL 01/82' message after writing a code plug to the radio, read the code plug from the radio (F2) then immediately write it back to the radio (F8, F8). This usually fixes the checksum problems.

The A9 control heads can display 11 characters. Problems will be shown with the full word 'ERROR' or 'FAIL', followed by the error code prefix and error code. All other control heads with eight-character displays show the message beginning with 'ER' or 'FL'. Hand-Held Control Heads (HHC) display errors with their two seven-segment LED characters by first flashing 'Er' or 'FL', then the error code prefix, then the specific error code. For the three-digit fail codes such as FAIL 001 or FAIL 999, the HHCH displays 'FL 00 01' or 'FL 01 99'.

These lists contain all the FAIL and ERROR prefixes and codes I could find in the manuals I have, but there are probably more. Use this list as a quick reference for locating problems. For example, if a radio is programmed to use the Siren/PA and you see an 'ERROR 08/10' for a moment when you power up the radio, it means the Siren/PA Option is either not connected or is not working.

Spectra Error and Fail Code Prefixes:

In general, device codes 00-1F are for a single radio system. These will have 20 (hex) added to them for the primary radio in a dual radio system (20-3F) or 40 added to them for the secondary radio in a dual radio system (40-5F).

It is common to find used radios displaying error messages when a new owner powers up the radio for the first time. This often happens if previously installed options have been removed or are not included with the radio. These errors should disappear when the radio and control head are correctly reprogrammed with the missing options disabled in the code plugs (sometimes a Personality Board also has to have its internal jumper settings changed).

Even though the manuals do not say so, a '2F/yy' error code would probably be the DTMF board in a primary radio. Likewise, a '4F/yy' error would probably be the DTMF board in a secondary radio. If you take a close look at the codes in the list, you can see the repeated pattern in the primary and secondary radio error codes. The same would apply to the MDC options, however, the VRS is not available on dual radio systems. Of course the 'yy' in these examples will actually be the real error code.

The 48 code prefix means you have programmed the Siren/PA option into the secondary radio of a dual radio system. To fix this condition, remove the Siren/PA programming from the secondary radio. The Siren/PA option should only be hooked to the primary radio and only programmed in the primary radio.

Spectra and Astro Spectra Error and Fail Codes:

This list was extracted from the Astro Spectra Basic Service Manual. There is some duplication and redefinition of codes due to extra circuitry in the Astro Spectra radios.

The following list was extracted from a 900 MHz Spectra Basic Service Manual. Note that many of the displayed codes are similar to those in the Astro Spectra radios.Some of these errors may not apply to all models or bands.

Spectra System Interface Unit Error Codes:

These were found in a dual radio system HHCH instruction manual. Note that these codes use individual bits to indicate the various failures, and these bits are turned on to indicate the various problems in the SIU (device code 08). These form a 1, 2, 4 weighted pattern for the right digit of the error code, as follows:

In the columns of the right digit in the above table, the '1' bit is turned on for Memory Board ROM Pattern problems, the '2' bit is turned on for Memory Board EEPROM Pattern problems, the '4' bit is turned on for Defective Memory Board or Microcomputer RAM, and the '8' bit is always turned on for these bit-mapped error codes. The table below expands on this desription. I suspect that other devices utilize the same format for error reporting (see the table above).

Miscellaneous Error / Troubleshooting Codes:

These codes were also found in the Advanced HHCH manual. There may be some duplication of codes in the tables above.

Motorola, Spectra, Astro Spectra, HHCH, SecureNet, VRS, and a whole bunch of other terms are trademarks of Motorola Inc.

The author can be contacted at: his-callsign [ at ] comcast [ dot ] net.

T2laser Key Code

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T2 Laser Key Codes

This page originally posted 27-Dec-07.

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This web page, this web site, the information presented in and on its pages andin these modifications and conversions is © Copyrighted 1995 and (date oflast update) by Kevin Custer W3KKC and multiple originating authors. All RightsReserved, including that of paper and web publication elsewhere.