TM741.5

OTHER TM-741 UNDOCUMENTED FEATURES

DISPLAY TEST

Hold down F and MHZ while turning on power.  This activates the display
test mode where all segments and indicators are lit.  Note the "ACC"
indicator at the lower right.  ACC is not defined in the manual, however
I saw it come on once one night after I started the car with the radio 
turned on.  The display lit up ACC and the UHF frequency display showed
some sort of HEX code (a ROM checksum maybe?).  


STRANGE TEST

(WARNING: YOU MAY LOSE SOME SAVED MEMORY DATA)

Hold down the F and MR keys while turning on power.  The radio plays
a wild sequence of tones and the displays go all crazy for several
seconds.  When it's done, everything seems normal except that the
memory contents are reshuffled and some memories are duplicated.
I can only speculate that this might be some sort of factory memory
test...

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UNDOCUMENTED TM-732A FEATURES

CLONE MODE

Hold down the F and MHZ keys while turning on power.  The current
control band will display CLonE.  Pressing CALL initiates the data
transfer, graphically illustrated by a moving S-METER display.  No
RF is transmitted during data transfer, instead it is assumed that
the data is dumped out of the microphone port.  Nothing more is
known about this at this time.

AM DETECTOR CONTROL

The AM Detctor, which automatically comes on below 136 MHz, can be
forced ON at any VHF frequency by pressing the F and MUTE keys
while applying power.  Radio continues to transmit FM but receives
AM.  Changing frequencies or memory channels will cancel the forced
AM mode.  This capability could be useful for listening to the
USAF Thunderbirds which sometimes operate in the 143 MHZ band using AM. 

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Well, that's it for now.  Please let us know if you can discover any
of the other undocumented features available on the new rigs.

-fred
-- 
| Fred Lloyd  AA7BQ,  Systems Engineer          Fred.Lloyd@west.sun.com |
| Sun Microsystems Computer Corporation                   ...sun!flloyd |
| Phoenix, AZ    (If it's a fact, I believe it!)         (602) 275-4242 |