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Fifth screen
Memory available
Gas Table Date
Run Time
Date and time
Sixth screen
Features* - an icon will appear for each feature
available
* Refer to the
Features screen
Gas Selection
Select the
TAC Mode function
TigerPC).
Press the Gas Selection soft key to display an alphabetical letter which can be changed using the Up
and Down keys:
Using the Up and Down keys scroll through the gases starting with that letter. Press Enter to select
the required gas. If a tick '✓' appears, press Enter again, and TIGER Select will use the relevant data
for the selected gas from the gas table for alarms, response factor, etc.
If the selected gas has no response factor, or is incompatible with the units selected, a warning
symbol
gas will still be selected.
Average
Press the Average soft key to display a rolling average over 10 seconds. A tick '✓' appears when
time is up. Pressing the Reset soft key resets the calculation even if there is an average already
running. Press Esc to cancel.
TAC
TAC Mode automatically offers higher sensitivity and selects a response factor. Higher sensitivity
down to 0.01 benzene (RF 0.5) is automatically selected, no other gases are selectable when used in
this mode.
The TIGER Select can be left in this mode even through a power cycle or battery replacement.
TAC Mode can be entered and exited by selecting the TAC icon and then pressing Enter.
Important: The TAC gas used within TAC Mode has a STEL set to 1 ppm. This level
has been chosen based on the low STEL levels often associated with aromatic
chemicals, including benzene. However, the TIGER Select TAC STEL is not
supported by nationally recognised bodies which publish official levels.
Unrivalled Gas
Detection.
for details of these optional upgrades.
to select TAC gas. For all other gases, use this function (or
. Press the Enter key to list the gases beginning with that letter.
will appear. The message can be cleared by pressing the Enter key. The
Page 23 of 73
TIGER Select Instrument User Manual V3.2
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