Fluke COMARK BT42 Mode D'emploi page 7

MAX/MIN
MAX
MIN
All BT40 series thermometers have a
MAX/MIN function. Press "MAX/MIN" for
MAX temperature reading and again for
MIN temperature reading. Press "MAX/
MIN" to resume normal temperature
readings. To clear MAX/MIN, press and
hold "MAX/MIN" until the display returns
to normal measurement.
Countdown Timer
All BT40 series thermometers have
a countdown timer. This function is
activated from the Set-Up Menu – see
section below, and can be calibrated
in seconds or minutes. Pressing the
countdown timer button will start this
function. Pressing the button again
during the countdown period will stop the
count. The instrument will beep for 30
seconds at the end of a countdown period
to indicate to the user that it has been
completed.
Auto Switch Off/Power Saving Mode
BT40 series thermometers have a
selectable auto-switch off feature. This is
set to 3 minutes from the factory. Auto-
switch off timer starts on the last button
press. Please refer to Set-Up Menu for
instructions on changing this setting.
Set-Up Menu
BT40 series thermometers have a
hidden menu structure that is used to set
up a number of parameters within the
instrument.
To enter the set-up menu first ensure the
instrument is off, then press the Count
Down button and keep this held down
while pressing the "HOLD" (ON/OFF)
button to switch the instrument on. After
the thermometer has completed its self-