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C
HANGE
Change
The "Security Features" screen allows you to establish a
Security Code
security code to protect your custom configurations. The
E to configure
security code is a three digit number that once established
▲ for next menu
cannot be bypassed unless entered correctly. It is
▼ for prev menu
M to exit config
important that you record your security code and keep it
in a safe location in the event you need recall the number.
C
HANGE
Change
The "Change Gas Data" screen allows you to edit gas
Gas Data
specific setpoints such as calibration gas values and low,
E to configure
high, STEL, and TWA gas concentration alarm values.
▲ for next menu
This screen also allows you to configure the gas range
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giving you control over whether your VX500 reads in
M to exit config
tenths of a ppm or whole ppm's.
E
F
DIT
AVORITE
Edit Favorite
The "Edit Favorites Response Factors List" screen allows
Response
you to add/subtract gases on your favorite list of response
Factors List
factors. Response factors allow you to accurately monitor
E to configure
▲ for next menu
a gas, other than the gas the VX500 was calibrated to.
▼ for prev menu
Response factors are preprogrammed into the VX500 and
M to exit config
are created by comparing the PID module's response to
the target gas versus the previously used calibration gas.
U
SING THE
Once selected, the response factor will automatically do
the math and reference the signal to the specific
compound of choice. For example, if you calibrated your
VX500 using isobutylene and you wish to accurately
monitor benzene, you would press
Gas Reading Mode, then choose between the Favorites
List or the list of 100 preprogrammed compounds until
you highlight benzene. Pressing
benzene and automatically use the associated response
factor. For a list of available compound specific response
16
factors refer to page 32 of this manual.
S
C
ECURITY
ODE
G
D
AS
ATA
R
F
ESPONSE
ACTORS
R
F
L
ESPONSE
ACTORS
IST
and
ENTER
here would select
E
U
DIT
SER
The "Edit User Identification List" screen allows you to
manually enter instrument user information with up to 16
alpha/numeric characters. This list can then be used to
imprint the datalogger with the current user as selected in
the User ID screen in the Gas Readings Mode.
Press
ENTER
to modify the user ID.
be made to the user list while
current user. When making changes to the user list, use
the arrow keys to scroll through current users to select a
name to delete. When prompted, pressing
users to be added to the current user lists. User names can
be added automatically via an iButton, or manually
entered using the arrow keys to select letters and
to accept. A maximum of 5 users can be stored on the
current user list.
L
IST
When making changes to the current user, the VX500 will
initially look for an iButton. If an iButton is not detected
on the iButton reader, the VX500 will allow a new user
name to be manually entered using the arrow keys to
select letters and
iButton.
E
S
DIT
ITE
The"Edit Site Identification List" screen allows you to
manually enter instrument site (location) information with
up to 16 alpha/numeric characters. This list can be used to
imprint the datalogger with the current location as selected
in the Site ID screen in the Gas Readings Mode.
in the
ENTER
Press
to modify the site ID.
be made to the site list while
current site. When making changes to the site list, use the
arrow keys to scroll through current sites to select a site to
delete. When prompted, pressing
I
L
DENTIFICATION
IST
allows changes to
allows changes to the
allows
key to accept, or by using the
ENTER
I
L
DENTIFICATION
IST
allows changes to
allows changes to the
allows sites to be
Edit User
Identification
List
E to configure
▲ for next menu
▼ for prev menu
M to exit config
ENTER
key
Edit Site
Identification
List
E to configure
▲ for next menu
▼ for prev menu
M to exit config
17
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