HT instruments HT3320 - Manual (Page 19)

HT3320
EN - 18
7. OPERATING INSTRUCTIONS
Upon start-up, the instrument shows the following 6 operating modes, which can be
selected through the arrow keys
S or T, confirming with ENTER
IR VIDEO
IR MEASURE
DEW POINT
DATALOGGER
DATA MEMORY
SETTINGS
Fig. 25: Instrument general menu
MEASURING
MODE
DESCRIPTION
IR VIDEO
IR temperature measurement with in-built photo camera + IR video
recording + relative air temperature/humidity measurement with
internal sensor (see § 7.3)
IR MEASURE IR temperature measurement without saving (see § 7.4)
DEW POINT IR temperature measurement + dew point temperature (see § 7.5)
DATALOGGER
Recording of temperature measurement with setting of time scan
and alarm conditions (see § 7.6)
DATA MEMORY
It allows displaying and deleting images, videos and recordings
saved in the instrument (see § 8)
SETTINGS It allows setting the instrument’s system parameters (see § 5)
7.1. SWITCHING ON/OFF THE INSTRUMENT
1. To switch on the instrument, press and hold the key until the general menu is
displayed
2. Press and hold the key until the display switches off
7.2. INSTRUMENT RESET
In case all functions on the display get stuck, the instrument allows carrying out a
Hardware Reset operation, in order to restore normal operation. Proceed as follows:
1. Use the tip of a pencil or of another object, slightly touching the inner part of the hole
next to the USB port labeled “RESET”
2. The instrument switches off automatically and can be switched on again The RESET
operation does not delete any data from the memory