HT Instruments HT3305 Bedienungsanleitung Seite 22

➢ Switching on the instrument and activating measurement by continuously pressing
("SCAN" symbol on display)
➢ Automatic switching of the HOLD mode (data fixed on display) when releasing after
measurement
4.3.2. / key
The / key allows the activation/deactivation of the double laser pointer by pressing
trigger key T. The "
performs the selection of parameters inside setup section (see § 4.3.4)
/  key
4.3.3.
/  key allows the activation/deactivation of the display backlight. The same key
The
allows to performs the selection of parameters inside setup section (see § 4.3.4)
4.3.4. MODE key
Press the MODE key to select the Maximum ("MAX" symbol), Minimum ("MIN" symbol),
Average ("AVG" symbol) and Difference between Max and Min ("DIF" symbol) values in
the secondary display (see Fig. 2 - part 7) in the IR temperature measurement by pressing
trigger T key.
The long press (> 2s) of the MODE key allows to enter in the setup section of the
instrument. The cyclic pressure of the MODE key allows to pass passage from one
parameter to another as shown in the following Fig. 3. Use the arrow keys  or  to set
the value with parameter flashing at display
The followed parameters are set:
➢ EMS → Setting emissivity value of the material in the range: 0.01 ÷ 1.00
➢ °C/°F → Setting unit of temperature between the options: "°C" (Celsius) or "°F"
(Fahrenheit)
➢ HAL (On/Off) → Activation/deactivation "High" alarm in the IR temperature
measurement. The " H" symbol is flashing at display
➢ HAL (Set value) → Setting "High" alarm threshold in the range: -50° ÷ 1000°C (-58°F ÷
1832°F). For values > HAL threshold the instrument emits a continue sound
➢ LAL (On/Off) → Activation/deactivation "Low" alarm in the IR temperature
measurement. The "L " symbol is flashing at display
➢ LAL (Set value) → Setting "Low" alarm threshold in the range: -50° ÷ 1000°C (-58°F ÷
1832°F). For values < LAL threshold the instrument emits a continue sound
Press MENU key to save and back to the measurement screen
" symbol (see Fig. 2 – part 2) is displayed. The same key allows to
Fig. 3: Setup parameters description
EN - 6
HT3305