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| L E L |
| • Press (E) to enter the SETSPAN function. The display | |
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| will show LEL along with the prompt PRESS (+) TO | ||
| P R E S S |
| CHANGE. | |
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| • Press (+) to toggle between LEL and CH4 combustible | |
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| sensor span ranges. | |
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| • Press MODE to enter the calibration gas values for all | |||
| PRESS |
| sensors. The display will show the first span value, eg. | |
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| 25 LEL, along with the prompt PRESS (+) FOR NEXT | |
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| (E) TO SELECT. | |
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| • Press (E) to select the value you wish to change. The | |
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| display will flash the current gas value and will scroll the | |
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| prompt PRESS (+) or | |
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| • Press the (+) and | |
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| calibration gas value and (E) to enter the value into | |
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| memory. Once the value has been entered into memory, | |
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| it will become the standard gas value used during | |
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| instrument calibration. | |
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| • Press the MODE switch to return to the SETSPAN | |
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| function. | |
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| 6.2 ALARMS | |
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| The ALARMS function allows you to set the values for | |
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| the HI and LOW alarms for each installed sensor. Default | |
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| alarm settings for each gas are listed in Section 11. If the | |
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| hygiene/datalogging option is installed, you will also be | |
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| able to set the STEL and TWA alarm values. | |
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| • Press (+) to step from the SETSPAN function to the | |
LATCH | ||||
| ALARMS function. | |||
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| • Press (E) to enter the ALARMS function. The LATCH | |
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| function will lock the alarm indicators on when a | |
ALARMS |
| monitored gas concentration reaches the high alarm | ||
| setpoint. The alarm will reset after the gas concentration | |||
| PRESS |
| has fallen below the alarm setpoint and the user has | |
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| pressed the (E) key. The display will indicate LATCH | |
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LATCH |
| along with the scrolling prompt PRESS (+) FOR NEXT | ||
| (E) to SELECT. | |||
| PRESS |
| • Press (E) to select the LATCH function. The display will | |
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| indicate LATCH along with the prompt PRESS (+) FOR | |
OFF |
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PRESS |
| NEXT (E) TO SELECT. | ||
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| OFF. Press MODE to return to the LATCH screen. | ||
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| • Press (E) to set the ATX612 high alarm latch as ON or |
• Press (+) to step to the INSTANT function and set | INSTANT | |||
instantaneous alarm values. The display will indicate | ||||
INSTANT along with the scrolling prompt PRESS (+) | PRESS | |||
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FOR NEXT (E) TO SELECT. |
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• Press (E) to enter the instantaneous alarms function. The | 10L | LEL | ||
display will show the first alarm to be set along with the | ||||
scrolling prompt PRESS (+) FOR NEXT (E) TO | PRESS | |||
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SELECT. The alarm type will be indicated on the display |
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as either high (H) or low (L). |
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• Press (E) to select the desired alarm to be changed. The |
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display will flash the current alarm value along with the |
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prompt PRESS (+) OR |
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• Press the (+) and |
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and (E) to enter the value into memory. |
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• Press MODE to return to the INSTANT function. |
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• Press (+) to step to the TWA and STEL alarm functions. |
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The TWA and STEL alarm values are set as |
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previously described. |
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6.3 CODE |
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| C O D E |
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The CODE function allows the user to select a security |
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code to protect calibration and all instrument alarm | P R E S S | |||
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settings. When the code is set to any value other than “0”, |
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the user will be prompted to enter the proper code prior to |
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C O D E | 1 2 3 | |||
entering the settings or calibration modes. | ||||
P R E S S | ||||
• Press (+) to step from the ALARMS function to the | ||||
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CODE function. |
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•Press (E) to enter the code function. The display will show the current code setting along with the scrolling prompt PRESS (+) OR
•Press the (+) and
into memory.
•Press MODE to return to the CODE function.
7.HYGIENE/DATALOGGING FUNCTIONS
7.1DEFINITION OF TERMS
7.1.1DATA LOG
The record of measured gas concentrations, including time and date, stored in the instrument’s electronic memory.
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