Magellan 8500

default prefix byte = 'S'
default terminator byte = '\n'
0x30 = '0', 0x31 = '1', etc

Hard Reset
	command: any of S00\n , S10\n , S20\n , S30\n
	response: none

Scanner Enable
	enabled by default; only needed after Not-On-File or Scanner Disable
	command: S01\n
	response: S00\n

Scanner Disable - No Indication
	disable scanner, no visual indication
	command: S02\n
	response: S00\n

Scanner Status
	command: S03\n
	response: S0301x0\n where x=0 if scanner disabled, 1 otherwise

Scanner Switch Read
	command: S04\n
	response: S03010000102\n

Scanner Not-On-File
	disable scanner, blink red light, continuous error tone
	command: S05\n
	response: S00\n

Scanner Disable - Red Light
	disable scanner, blink red light
	command: S06\n
	response: S00\n

Scale Valid Weight Request
	returns scale weight if non-zero, non-negative, non-excessive, and non-transient;
	if no such weight is available, scale delays response until it is
	command: S11\n
	response: S11abcd\n where abcd is weight in pounds as "ab.cd"

Scale Cancel
	cancel a pending valid weight request
	command: S12\n
	response: S10\n

Scale Status
	command: S13\n
	response: S13ab12c\n where
		a=0 for english weight, 1 for metric;
		b=0 if scale enabled, 1 otherwise;
		c=0 if scale not ready, 1 if weight transient, 2 if weight >30lb,
			3 if weight=0, 4 if weight stable and non-zero, 5 if valid weight has been sent

Scale Monitor
	returns scale weight no matter its status
	command: S14\n
	if scale has stable non-zero weight or is not ready,
		response: S14x0abcd\n where x=0 if not ready, 4 if scale has stable non-zero weight,
		abcd=weight in pounds as "ab.cd"
	if scale has zero weight, or under zero, or over capacity, or transient,
		response: S14a where a=1 if weight transient, 2 if over capacity, 3 if zero, 5 if <0

Display Data
	apparently not implemented on our 8500s
	supposed to print a custom string "abcdefg" on the poll display
	command: S21abcdefg\n
	response: S20\n

Display Status
	command: S23\n
	response: S23a\n where a=0 if showing price/weight, 1 if weight only, 2 if alphanumeric

soft reset
	command: S320\n
	response: none

hard reset
	command: S321\n
	response: none

disable scanner - red light
	command: S32B\n
	response: ?

default params
	command: S32C\n
	response: ?

disable scanner - no indication
	command: S32D\n
	response: ?

enable tone
	command: S32F\n
	response: ?

good beep
	command: S334\n
	response: none

soft power down
	command: S335\n
	response: ?

send status to host
	command: S336\n
	response: ?

save and reset
	command: S337\n
	response: ?

disable tone
	command: S339\n
	response: ?

enter toad mode ..?
	command: S33A\n
	response: ?

not-on-file
	command: S33F\n
	response: ?