Oregon Scientific RX109 Specifications, Calendar Clock, Heart Rate Monitor, Thermometer

Problem	Symptom	Check this	Remedy
Heart icon	Blank display	(airplane)?	Press MODE to return to
not working		Time out due to 5	CARDIO Mode
		minutes of inactivity	Move chest belt closer or
		Chest belt is too far	adjust contact with skin
		from watch or poor
No heart rate	Expected alarm	skin contact	Set limits (➔ 18)
alert	does not sound	Training Zone/Alert
No heart rate	No heart rate data	limits not set	Move chest belt closer or
memory		Chest belt is too far	adjust contact with skin
		from watch or poor
No bike	No data	skin contact	Check distance between
reading/		Sensor not ready	sensor and magnet
Strange	Rx/Cx/Sx shown		Replace batteries (➔7)
reading	No display	No battery	Press ST/SP/-
		Watch not activated	Display shows “- -“ then“0”
	No TOUR data		Re-select check box in PC
	stored	Disabled feature	software
	Strange reading	through PC	Measure and set wheel
		Wrong wheel size set	diameter again
	Strange reading		Check sensor fittings
	(continued)	Sensors fitted
		incorrectly	Realign magnet
		Magnet not aligned	Find source and move or
		Interference	switch off
No sensor	Rx/Sx/Cx displayed		Replace battery
power	in BIKE mode	Battery low or empty
No memory	Empty memory, or		Set tour mode
	used memory %	Tour mode not set
	unchanged
	100% of memory		Clear all memories
	used	Memory full	manually, or download to
			the PC

NOTE Data manually erased cannot be recalled or recovered.

SPECIFICATIONS
Calendar Clock
Hour format	12/24 hr
Date format	DD:MM:YY or MM:DD:YY
Auto calendar	2000-2099
Alarms	1 daily (hr:min)
	3 event (hr:min DD.MM.YY)
Chronometer/Timer	99:59:59 (hr:min:sec)
Heart Rate Monitor
Heart rate range	25…240 beats per minute (bpm)
Resolution	1 bpm
Accuracy	+/- 1 bpm
Training zones	5
HR alert range	26…240 bpm (upper)
	25…239 bpm (lower)
Alert memory	3 heart rate alarms
TOUR memory	99 max (RS109/RP109 only)
Thermometer
Range	-10.0º C….60.0º C
	(14.0º F….140.0º F)
Resolution	0.1º C (0.2 º F)
Accuracy	+/- 1º C (+/- 2º F)
Altimeter
Range	-400…9,000 meters
	(-1,312….30,000 feet)
Resolution	1 or 3 m (3 or 10 ft)
Accuracy	+/- 10 m (+/- 30 ft)
Vertical speed	0…125 m/sec (0…415 ft/sec)
	(ascending or descending)

GB

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