Test Mode Commands for the NEC P-200:
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beta release (I'm not done yet!) 2/28/95

#10	1 digit
#11	Turn receiver on
#12	Turn receiver off
#15#	Reboot, no wake up tone
#17x
#23	1_3   022
#24	Display ESN
#32	enter  0, 1, or 2
#35	high tone on
#36	high tone off
#37	low tone on
#38	low tone off
#39	quiet tones
#42	1  digit, touch tone test, #38 to end
#43x
#48x
#49x
#50	AAA1101003100BBB   aaa=signal strength, bbb=channel
#51	1000
#60	0=no audio, 2=out microphone, 3=out speaker
#61	enter 0 or 1
#69	enter channel number, #, * pauses and restarts channel scan
#71	NAM programming, # to step, hold in CLR to exit
#72	erases screen, enter a value <128 then #, twice
#76	NAM select, 0 = 1st, 1=2nd
#77	txxx# rxxx# transmit & receive channels.
#78	1 digit, is quiet for 1 second, then error
#79#
#80#
#81#
#82#
#83#
#84#
#85#
#86	enter value 000 through 255 then #, repeats
#88#
#89	erases NAM
#90	148
#91	135,136, 139, 140