Comark N9005 - Manual (Page 8)

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5. SWITCHING ON AND OFF
Display Test/Mode
The ‘ON/OFF’ button on the keypad is used to switch on the
thermometer. After a short pause the display will show the
current model of the instrument and will then revert to normal
temperature display. The current time is also permanently
displayed on the LCD.
6. DATA HOLD
The N9005 and N9094 thermometers have a data hold facility. If
the ‘II’ button is pressed at any time during normal temperature
mode, the current temperature will be held on the display. To
release press ‘II’.
7. COUNTDOWN TIMER
The N9005 and N9094 thermometers have a countdown timer.
This function is activated from the Set Up Menu – see section
below, and can be calibrated in seconds/minutes or hours.
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.
8. AUTO SWITCH OFF/POWER SAVING MODE
The N9005 and N9094 thermometers have a selectable auto-
switch off feature. This is set to 3 minutes from the factory.
Please refer to Set Up Menu for instructions on changing this
setting.