Components Description please refer to

1.2Components Description (please refer to page 3)

A 1

LCD Readout

3 1/2-Digit Display- The 3 1/2-digit liquid crystal display (LCD) provides direct readout of oxygen concentrations in the range of 0-100%. It also displays "CAL" when the calibration mode is entered.

2	"%" Sign- In the calibration mode, the "%" sign flashes every
	second.
3	Low Battery Indicator- The low battery indicator appears on
	the LCD display when the power supply voltage drops below
	acceptable limits. When the "LOW BAT" icon is visible, batteries
	should be replaced immediately.
4	LOCKED Status Indicator- The presence of the "LOCKED"
	icon on the LCD readout is an indication that the unit is in its
	normal "LOCKED" state. The unit must be unlocked, using the
	LOCK key, in order to be calibrated or to change the high and low
	alarm settings.
5	Low Alarm Indicator- The low alarm setting is displayed at all
	times just below the "LOW" icon on the LCD readout. The
	indicated value represents the oxygen percentage at which the
	low alarm will be activated. In the low alarm set mode, the
	"LOW" icon will flash at a 1 second rate. In a low alarm
	condition, the low alarm value will flash in conjunction with the
	low alarm light emitting diode (LED).
6	High Alarm Indicator- The high alarm setting is displayed at all
	times just below the "HIGH" icon on the LCD readout. The
	indicated value represents the oxygen percentage at which the
	high alarm will be activated. In the high alarm set mode, the
	"HIGH" icon will flash at a 1 second rate. In a high alarm
	condition, the high alarm value will flash in conjunction with the
	high alarm LED.
7	Threaded Mounting Bushing- Threads to Table Top Swivel
	Stand. Also may be used with many third party camera mounting

accessories.