PhoCheck TIGER
Ion Science Ltd
Page 15 of 43
Using your TIGER (continued)
HEALTH & SAFETY readings
Press the Health & Safety (H&S) soft key to
display the H&S symbol with a question mark to ask if the user wishes to proceed:
Press ENTER to start the calculation. The STEL (Short Term Exposure
Level) and TWA (Time Weighted Average) values are shown. The fixed LCD H&S icon will
continually flash while calculating. Pressing the ENTER key while the values are displayed
presents the user with a screen asking if the calculation should stop. Press ENTER again to
stop the calculation. Press Esc to return to the main screen.
GAS SELECTION
Press the Gas soft key to display an alphabetical letter which
can be changed using the Up and Down keys:
Press the ENTER key to
present the gases beginning with that letter. Using the Up and Down keys scroll through the
gases starting with that letter to find the subject gas. Press enter to select the chosen gas. If a
tick appears, press Enter again and TIGER will use the relevant data for the chosen gas from
the gas table for alarms and response factor etc. Should the selected gas have no numeric
response factor then a warning screen
will appear. The message can be
cleared by pressing the ENTER key and the gas will still be selected. An alternative lamp type
may then be selected to match the chosen gas. Should an incompatible gas/lamp combination
be selected the instrument will show the warning screen again.
PEAK HOLD
Press the Peak Hold soft key to present the screen
When 'Peak hold' is selected the sub display will appear and this will continue to display the
peak reading until peak hold is no longer required. To deselect the peak hold function press
Esc.
AVERAGE
Press the Average soft key to display a rolling average over 10
seconds. A tick appears when time is up. Pressing the 'Average soft key' again resets the
calculation even if there is an average already running. Press ESCAPE to return to the main
screen.
OPTIONS
Press the Options soft key to give access to various
adjustable features, selected with the UP and DOWN keys. Press ENTER to
confirm selection.
BACKLIGHT
Four options are presented:
„Permanently Off‟, „Permanently On‟, „On in
low ambient light
‟ and „Timed‟. (Set the time in TIGER PC - see page 21). Select the preferred
option with the UP and DOWN keys and confirm with ENTER.
SOUND
The sound options are presented as set up in Tiger PC. Use the
DOWN arrow to select either keypad beep, alarm sound, crescendo or percentage volume.
Press ENTER to turn selection on or off. For percentage volume, press ENTER again to
confirm selection. The frame will flash. Use UP and DOWN arrows to change the percentage
volume and press ENTER to confirm the chosen value. Press Esc twice to return to the main
screen.
CALIBRATION
Only two options are presented: Factory calibration and Custom
calibration. Select the preferred option with the UP and DOWN keys and confirm with ENTER.
Whichever calibration standard is selected, the TIGER will operate against that calibration.
Readings taken against unsatisfactory calibrations may be unreliable.
