16
17
CODE
PRESS
CODE 123
PRESS
• Press (+) to step to the INSTANT function and set
instantaneous alarm values. The display will indicate
INSTANT along with the scrolling prompt PRESS (+)
FOR NEXT (E) TO SELECT.
• Press (E) to enter the instantaneous alarms function. The
display will show the first alarm to be set along with the
scrolling prompt PRESS (+) FOR NEXT (E) TO
SELECT. The alarm type will be indicated on the display
as either high (H) or low (L).
• Press (E) to select the desired alarm to be changed. The
display will flash the current alarm value along with the
prompt PRESS (+) OR (-) TO SET (E) TO SELECT.
• Press the (+) and (-) keys to set the desired alarm value
and (E) to enter the value into memory.
• Press MODE to return to the INSTANT function.
• Press (+) to step to the TWA and STEL alarm functions.
The TWA and STEL alarm values are set as
previously described.
6.3 C
ODE
The CODE function allows the user to select a security
code to protect calibration and all instrument alarm
settings. When the code is set to any value other than “0”,
the user will be prompted to enter the proper code prior to
entering the settings or calibration modes.
• Press (+) to step from the ALARMS function to the
CODE function.
• Press (E) to enter the code function. The display will
show the current code setting along with the scrolling
prompt PRESS (+) OR (-) TO SET (E) TO ENTER.
• Press the (+) and (-) keys to set the code to any value
between 0 and 999, and (E) to enter the value
into memory.
• Press MODE to return to the CODE function.
7.
H
YGIENE
/D
ATALOGGING
F
UNCTIONS
7.1 D
EFINITION
O
F
T
ERMS
7.1.1
DATA LOG
The record of measured gas concentrations, including time
and date, stored in the instrument’s electronic memory.
LEL
PRESS
25
LEL
PRESS
ALARMS
PRESS
LATCH
INSTANT
PRESS
10L LEL
PRESS
LATCH
PRESS
OFF
PRESS
• Press (E) to enter the SETSPAN function. The display
will show LEL along with the prompt PRESS (+) TO
CHANGE.
• Press (+) to toggle between LEL and CH
4
combustible
sensor span ranges.
• Press MODE to enter the calibration gas values for all
sensors. The display will show the first span value, eg.
25 LEL, along with the prompt PRESS (+) FOR NEXT
(E) TO SELECT.
• Press (E) to select the value you wish to change. The
display will flash the current gas value and will scroll the
prompt PRESS (+) or (-) TO SET (E) TO ENTER.
• Press the (+) and (-) minus keys to set the desired
calibration gas value and (E) to enter the value into
memory. Once the value has been entered into memory,
it will become the standard gas value used during
instrument calibration.
• Press the MODE switch to return to the SETSPAN
function.
6.2 A
LARMS
The ALARMS function allows you to set the values for
the HI and LOW alarms for each installed sensor. Default
alarm settings for each gas are listed in Section 11. If the
hygiene/datalogging option is installed, you will also be
able to set the STEL and TWA alarm values.
• Press (+) to step from the SETSPAN function to the
ALARMS function.
• Press (E) to enter the ALARMS function. The LATCH
function will lock the alarm indicators on when a
monitored gas concentration reaches the high alarm
setpoint. The alarm will reset after the gas concentration
has fallen below the alarm setpoint and the user has
pressed the (E) key. The display will indicate LATCH
along with the scrolling prompt PRESS (+) FOR NEXT
(E) to SELECT.
• Press (E) to select the LATCH function. The display will
indicate LATCH along with the prompt PRESS (+) FOR
NEXT (E) TO SELECT.
• Press (E) to set the ATX612 high alarm latch as ON or
OFF. Press MODE to return to the LATCH screen.
Содержание ATX612
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