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Teledyne API Model 465L O3 Monitor Operation Manual
05509G DCN6806
Teledyne API Model 465L O
3
Monitor Manual
39
7.1.5.
Status LEDs
There are four Status LED’s on the front panel to the right of the concentration
display. These LED’s provide a quick view of the instrument’s Status as well as an
indication of any problems that may exist. The normal state for these LED’s after
the initial 20 minute warm-up period is as follows:
Table 7-2: Status LED’s
Status LED
Normal State
Sensor OK
ON
Invalid Reading
OFF
Check Lamp
OFF
Pneumatic Error
OFF
If any of these LED’s are in a different state than shown above, then some
adjustment or troubleshooting should be performed. See Section 10.1 for more
detailed information.
7.2.
Front Panel Menus
The 465L has an interactive menu structure that can be operated from the front
panel. From within this menu structure, the operator can view real-time parameters
such as temperature and pressure, view configuration information, and edit setup
parameters such as alarm limits.
Figure 7-2 below shows the menu structure as well as the buttons that are used to
navigate it.
Starting with the display in Concentration mode, press
CFG
to enter Menu mode.
At this point the unit-of-measure LED should turn off and the first level of the Menu
tree will be active. Pressing the
UP
/
DOWN
arrows will now select from the items
available at this menu level. Press
ENT
to enter one of these sub-menus or press
CFG
to back out of this menu level back to Concentration mode.
7.2.1.
Menu Navigation Basics
1.
Press
CFG
from Concentration mode to enter Menu mode.
2.
Once in Menu mode,
CFG
will move backwards one level in the menu
structure and
ENT
will move forward.
3.
Each menu level contains an EXIT selection. Selecting EXIT and pressing
ENT
will exit the Menu mode and return the display to Concentration mode.
4.
The Menu mode will timeout if no buttons are pressed within 30 seconds, and
the instrument will automatically return to Concentration mode.
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