Device Hardware Interfaces - MSA ALTAIR 5X Manual De Uso

2.2

Device Hardware Interfaces

Device operation is dialog driven from the display with the aid of the three function buttons (→ Fig. 1).
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 q button is used to turn the device ON or OFF and to confirm user action selections.
q
The  button is used to page down through data screens or to decrease the values in setup
mode. This button is also used to initiate a Bump Test for the installed sensors, directly from
the MEASURING page.If the user is granted access to the MotionAlert setting feature, this

button can be used to activate the InstantAlert
See chapter 3.5 for the means to allow/disallow user access.
The  button is used to reset Peak, STEL, TWA and alarms (where possible) or perform
 calibration in measuring mode. It is also used as page up or to increase the values in setup
mode.
When the  button and the  button are pressed simultaneously while in normal measure mode, the
Setup mode can be entered after the password is confirmed.
LED Definitions
LED Description
The red alarm LEDs are visual indications of an alarm condition or any type of error in
RED (Alarm)
the device.
The Safe LED flashes once every 15 seconds to notify the user that the device is ON
and operating under the conditions defined below:
-
-
-
-
GREEN (Safe)
-
-
-
-
This option can be turned OFF through the MSA Link software.
The Fault LED activates if any of several fault conditions are detected during device
operation. This includes:
-
-
YELLOW (Fault)
-
These faults are also indicated by activation of device alarm LEDs, horn, and vibrating
alarm.
The blue LED is a visual indication of the Bluetooth connection status.
-
BLUE
-
(Bluetooth Status)
-
The green SAFE LED is enabled
Combustible reading is 0 % LEL or 0 % Vol
Oxygen (O ) reading is 20.8 %
2
Carbon Dioxide (CO ) reading is ≤ 0.03 %
2
All other sensor readings are 0 ppm
No gas alarms are present (low or high)
Device is not in Low Battery warning or alarm
STEL and TWA readings are 0 ppm
A device memory error
A sensor determined to be missing or inoperative
A pump fault
Off = Bluetooth board OFF or Undiscoverable
Fast Flash = Discoverable Mode
Slow Flash = Connected
ALTAIR 5X/ALTAIR 5X IR
TM
alarm.
Description
US
12