Description Of The Symbols Shown On The Display; Description Of Function Keys; Trigger Key T; Joystick Key J - HT Instruments HT3302 Notice D'utilisation

4.2.

DESCRIPTION OF THE SYMBOLS SHOWN ON THE DISPLAY

4.3.

DESCRIPTION OF FUNCTION KEYS

4.3.1. Trigger key T

The Trigger key T (see Fig. 1 – part 4) allows the following operations:
 Switching on the instrument by shortly pressing
 Switching on the instrument and activating measurement by continuously pressing
 Automatic switching of the HOLD mode (data fixed on the display) upon release after
measuring

4.3.2. Joystick key J

The Joystick key J (see Fig. 2 – part 2) allows quickly navigating the instrument's internal
menu and confirm selections of measuring parameters (see § 5.1). Pressing the key
allows switching on the instrument.
Fig. 3: Detail of the front part of the instrument
Fig. 4: LCD display description
CAPTION:
1. 5 white LEDs for external
illuminator
2. 5 blue LEDs for UV function
3. IR sensor slot + area laser pointer
CAPTION:
1. Laser pointer activation
2. Data HOLD
3. Battery charge level
4. °C/°F symbol
5. Active UV function
6. Active
AVG functions
7. MAX, MIN, MAX-MIN, AVG value
display
8. Active HIGH and LOW alarm
thresholds
9. Emissivity value display
10. Emissivity indication
11. Main LCD display
12. Active built-in illuminator
EN - 6
HT3302
MAX, MIN, MAX-MIN,