Instrument Alarm Bypass Options - MSA SIRIUS Manuel D'instructions

5 Setting up the SIRIUS Multigas Detector

5.3 Instrument Alarm Bypass Options

The SIRIUS Multigas Detector (with software version 1.1 or higher) is equipped with a
feature to disable or silence the visual, backlight, and audible options. If any of these
options are disabled during instrument start up, the SIRIUS Detector displays:
• "VISUAL OFF" if the red LEDs are disabled
• "AUDIBLE OFF" if the audible buzzer is disabled
• "BACKLITE OFF" if the backlight is disabled
• "BACKLITE TIME"
If the visual or audible options are disabled, "ALARM OFF" flashes on the LCD during
Normal Measure mode.
1. Instrument Options Setup
• Safe LED ON/OFF
• Operating beep ON/OFF
• STEL/TWA ON/OFF
2. CAL Lockout Enable
• To disable calibration in the user mode, set CAL LOCK MODE to ON
• When ON, calibration is only accessible via the Setup mode and password
(if enabled)
3. CAL DUE Alert
• To disable CAL Due messages, turn this feature OFF.
• When ON, the number of days (1 to 180) between calibrations can be set.
User will be required to acknowledge an overdue calibration at turn ON.
4. Warm Up Info
• Turning this selection OFF causes the instrument NOT to display alarm set
points at power-ON
• Time (if data logging option installed)
• Date (if data logging option installed)
5. LEL/CH Setup
4
• Sensor ON/OFF (turns the sensor ON or OFF)
• Display Combustible Gas Type?
• Methane
• Pentane
• Hydrogen
• Propane
• LEL or CH
• Low Alarm (sets the low combustible alarm)
• High Alarm (sets the high combustible alarm)
• Cal Gas (sets the expected combustible calibration gas)
30
mode displays % LEL (for any gas) or % CH
4
(for Methane only)
4