RN Commands Version 4.25, 11/1/2007 Page 7 of 25
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CONFIG TIMER settings
3.3 Using the PIO pins/DIP switches to perform quick configuration
Factory Reset- Set this switch/PIO on powerup. This arms the reset function. Then toggle the
switch/PIO 3 times and all settings in the device (other than the Bluetooth name) will return to defaults.
Auto Discovery/Pairing Mode - Used with Switch3/PIO6. If Switch3/PIO6 also set,, the device will
perform a device Inquiry Scan, searching for a partner Device with a special matching class, (0x55AA)
and once found, store the address of such device into the remote address field, and then auto-connect
to the remote device. If Switch3/PIO6 is NOT set, the device will enter slave mode with the special
matching class, waiting to be found by the master. This mode is usually set once on both ends of a pair
of devices, for instant “cable replacement”, and then removed.
Auto Connect mode –This is equivalent to auto-master mode 3 in software. The device will connect to
the stored address. If Switch2/PIO3 is also set, new discovery/pairing can be made, see above.
Baud Rate select - used to configure 9600 or 115K default baudrate. If the baudrate is configured in
software, this switch is ignored.
NOTE: for the purpose of configuration above, the swithes/IO pins are sampled ONLY at power up
time, (during the first 500milliseconds) so they can be used for other functions once the device is in
operation. The exception is the factory reset switch/PIO, which once enabled, can be toggled at any
time after powerup, a total of 3 transitions will cause the factory reset to occur.
(decimal)
0 No remote config, No local config when connected
1-252 Time in seconds from powerup to allow config
253 Continous config LOCAL only
254 Contiuous config, REMOTE only
255 Continous config, both LOCAL and REMOTE
(adapters)
Factory Reset 1 PIO 4 OFF (0V) = disabled, ON (3V) = ARMED
Auto Discovery/Pairing 2 PIO 3 OFF(0V) = disabled, ON(3V) = enabled
Auto-Connect 3 PIO 6 OFF(0V) = disabled, ON(3V) = enabled
Baudrate 4 PIO 7 OFF(0V) = 115K, ON(3V) = 9600
(10 pages)
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