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added to the current site lists. Site names can be added
automatically via an iButton, or manually entered using the
arrow keys to select letters and
maximum of 5 sites can be stored on the current site list.
When making changes to the current Site, the VX500 will
initially look for an iButton. If an iButton is not detected
on the iButton reader, the VX500 will allow a new site
name to be manually entered using the arrow keys to select
letters and
A
V
LLOW
F
THE
IELD
Allow Viewing
The "Allow Viewing of Peak Reading in the Field" screen
of Peak Reading
gives you control over whether the peak (highest
in the Field
E to Configure
concentration of VOC's monitored since the peaks were
▲ for next menu
last reset) readings will be viewed by users in the field.
▼ for prev menu
Choosing "no" blocks this display for the Gas Readings
M to exit config
Mode while "yes" permits it to be viewed.
STEL/TWA C
Allow Viewing
Pressing
ENTER
of STEL/TWA
in the Field
mode allows the user to have control over displaying and
E to Configure
reseting the STEL (short term exposure limit: a 15 minute
▲ for next menu
▼ for prev menu
running average of VOC concentrations) and TWA (time
M to exit config
weighted average: a user defined average, usually 8 hours,
of VOC concentrations) values in the field. The arrow keys
toggle between turning these modes on and off, while the
ENTER
key accept the changes. The TWA time base can be
changed using the arrow keys to increase or decrease the
time base value and using
A
V
Allow Viewing
LLOW
of Ticks Screen
F
THE
IELD
in the Field
E to Change
The "Allow Viewing of Ticks Screen in the Field" screen
▲ for next menu
▼ for prev menu
gives you control over whether the ticks mode screen will
M to exit config
be viewed in the field. Choosing "no" in this situation
blocks the user for having control over turning on or off
18
ENTER
key to accept. A
ENTER
key to accept, or by using the iButton.
P
R
IEWING OF
EAK
EADING IN
:
ONFIGURATION
allows the STEL/TWA to be configured. This
ENTER
to accept the new value.
T
S
IEWING OF
ICKS
CREEN IN
the tick feature of the VX500. The ticks mode sounds an
audible tick that increases in frequency as the
concentration of VOC's detected increases. This is a
useful tool when using the VX500 to detect leaks.
S
B
M
ELECT
ACKLIGHT
ODE
The "Select Backlight Mode" screen allows you to control
whether your display backlight will be manually or
automatically activated. If you choose manual, your
backlight will only activate whenever
Choosing automatic backlight control will activate the
display backlight whenever ambient light conditions
diminish. This is accomplished through the use of a light
sensor located on the VX500's faceplate.
A
V
S
LLOW
IEWING OF
ITE AND
F
IELD
The "Allow Viewing of Site and User in Field" screen
gives you control over whether the Site and User ID
screens will be viewed in the field.
A
S
G
LLOW
ELECTION OF
AS IN
The "Allow Selection of Gas in Field" screen gives you
control over whether the user will be able to access the
"Favorites Response Factors" list from the Gas Readings
Mode. Using response factors is explained in the "Edit
Favorite Response Factors List" section of this manual.
C
A
O
HANGE
LARM
PTIONS
The change alarm options menu allows control over
muting the alarms and latching the alarms. The audible
alarm on the VX500 can be turned on and off. Using the
arrow keys to toggle this feature between "on" and "off".
Backlight Mode
E to Change
▲ for next menu
▼ for prev menu
ENTER
is pressed.
M to exit config
U
Allow Viewing of
SER IN
Site and User
in Field
E to Change
▲ for next menu
▼ for prev menu
M to exit config
F
IELD
Allow Selection
of Gas in Field
E to Configure
▲ for next menu
▼ for prev menu
M to exit config
:
Change Alarm Options
E to Configure
▲ for next menu
▼ for prev menu
M to exit config
Select
19
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