Device Hardware Interfaces

Device operation is dialog driven from the display with the aid of the three function buttons (®  Device Hardware Interfaces).

The device has three buttons for user operation. Each button can function as a "soft key", as defined on the display directly above the button.

Button Definitions

Button

Description

The button is used to turn device on or off and to confirm user action selections. When the p button and the button are pressed simultaneously for device start-up, the Options Setup Mode displays.

q

The q button is used to move forward through data screens in measuring mode, or as page back and to decrease the values in set-up mode. Holding this button for 3 seconds while in Normal Operation mode activates the InstantAlert alarm.

p

The p button is used to reset peak, STEL TWA and acknowledge alarms (where possible) or access calibration in measuring mode. It is also used as page up or to increase the values in set-up mode.

LED Definitions

LED

Description

GREEN/RED(Bump LED)

After a successful Bump Test, the green LED will flash every 15 seconds for a 24-hour period.

When the device fails a bump test or when the 24-hour period expires, the red LED flashes every 15 seconds.

This option can be turned off through the MSA GALAXY GX2 Test Stand or MSA Link software.

RED(Alarm LED)

The red alarm LEDs are visual indications of an alarm condition or any type of error in the device.

YELLOW

(Fault LED)

The yellow fault LED is a visual indication of an device fault condition. This LED turns on with the following conditions:

• Device memory error
• Sensor Missing
• Sensor Error

RED/GREEN/ORANGE

(Charge LED)

The charge LED is a visual indication of charge status.

• RED: device is charging
• GREEN: charge is complete
• ORANGE: problem detected during charging

BLUE (Bluetooth Status)

If your instrument supports Bluetooth, the blue LED is a visual indication of the Bluetooth connection status.

• Off = Bluetooth OFF or Undiscoverable
• Fast Flash = Discoverable Mode
• Slow Flash = Connected

Vibrating Alarm

The device is equipped with a vibrating alarm.

Backlight

The backlight automatically activates when any front panel button is pressed. The backlight remains on for the duration of the user-selected timeout. This duration can be set through MSA GALAXY GX2 Test Stand or MSA Link software.

Horn

The horn provides an audible alarm.

Operating Beep

This operating beep activates every 30 seconds by momentarily beeping the horn and flashing the alarm LEDs under the following conditions:

• Operating beep is enabled
• Device is in Normal Operation mode
• Device is not in battery warning
• Device is not in gas alarm
• Audible and visual options are enabled