
Operating the Fido X4
Step 1:
Press
to display the main menu (4.2).
Step 2:
Select the
Settings
menu item and press
to display the Settings menu (Fig-
Step 3:
Press
or
to scroll until you see the following Vapor Mode settings:
•
Vapor Method:
Use this setting to control which Vapor Mode detection methods are
available for use. Options are Sample, Search, or Both. For more information, see
5.4.5.
•
Vapor Click:
This setting allows you to turn on or off audio feedback during vapor
sampling .
•
Vapor Style:
When using the Search method of Vapor detection (5.4.5.2), this setting
allows you to select the type of graph used to display channel responses.
5.4.3 Switching to Vapor Mode
To switch from Particle Mode to Vapor Mode, simply remove the thermal desorber. The Fido
X4 will automatically detect the removal of the thermal desorber, and X4 system parameters,
including key settings such as the temperature, flow, and detection algorithm, will be auto-
matically adjusted. This process may take a few minutes.
5.4.4 Verifying the system in Vapor Mode
When the system is ready, it will require verification, which is similar to the process
described in 5.2. The initial Vapor mode screen (Figure 5-21) plays a short video demon-
strating how to present the Vapor Mode inlet adapter. As described in 5.2, you can select
Later
to postpone verification.
Figure 5-21
: System verification screen for Vapor Mode
Follow the on-screen prompts or these instructions to perform the verification process:
Step 1:
Remove the cap from the Vapor Mode inlet adapter (Figure 5-22) by twisting
counterclockwise.
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