Teledyne MX300-I - Manual (Page 11)

Portable Oxygen Monitor Introduction
Teledyne Analytical Instruments
3
NOTE: IF THE LOW ALARM CONDITION IS TRIGGERED WITH
THE OXYGEN LEVEL STAYING ABOVE THE SAFETY LIMIT
OF 18%, THE ALARM BUZZER CAN BE DEACTIVATED BY
PRESSING THE ALARM SILENCE
()
KEY. IF ALARM
CONDITION IS NOT CORRECTED WITHIN ABOUT 115
SECONDS, THE ALARM BUZZER WILL REACTIVATE.
PRESSING THE ALARM SILENCE
()
KEY AGAIN WILL
SILENCE THE ALARM BUZZER ONCE AGAIN FOR ABOUT
115 SECONDS, WITH THE BUZZER REAACTIVATING IF
THE ALARM CONDITIONS PERSIST.
NOTE: IF THE LOW ALARM CONDITION IS TRIGGERED WITH
THE OXYGEN LEVEL FALLING BELOW 18%, THE
√
SENSOR SIGN WILL FLASH ALONG WITH THE GREEN
LIGHT, AND THE BUZZER WILL ACTIVATE. IN THIS CON-
DITION, THE ALARM BUZZER CANNOT BE SILENCED.
WHILE HOLDING DOWN THE ALARM SILENCE
()
KEY
MAY MOMENTARILY SILENCE THE ALARM BUZZER, AUD-
IBLE ALARM WILL RETURN UPON DISENGAGING THE
ALARM SILENCE
()
KEY. HOLDING THE KEY FOR
LONGER DURATIONS WILL INITIATE THE “STUCK KEY”
ALARM, WHICH CAN BE DEACTIVATED ONLY VIA REMOV-
ING THE BATTERIES FROM THE ANALYZER. ANALYZER
SHOULD BE RECALIBRATED UP ON REPOWERING.
1.1 Features
The following features are standard on the MX300-I Monitor:
 Large easy to read 3½-digit LCD (see options)
 Automatic LCD back lighting upon key press
 Microprocessor controlled
 Up/Down control keys on the front panel
 Sensor fail/disconnect alarm indicator (audible and visual)
 Two adjustable concentration alarms with user-defined set
points
 Alarm Silence () key
 2000 operating hours from 3 AA alkaline batteries
 Battery status indicator
 Battery test function
 Stand for upright tabletop deployment