
HTB500
EN – 6
4.4.
DESCRIPTION OF FUNCTION KEYS
4.4.1. Key ON/OFF
Pressing key
ON/OFF
allows turning on/off the instrument. Upon start-up, with
disconnected external probe, the instrument only shows an empty screen with the symbol
of the battery charge level.
4.4.2. Key Bright
Pressing key
Bright
allows adjusting the brightness of the white-light LEDs on the end of
the external probe (see Fig. 3
–
part 5)
up to 10 levels
. The following screen appears on
the display for a moment.
Fig. 4: Setting of brightness levels of the probe
’
s LEDs
4.4.3. Key (Zoom)
Pressing key allows the zooming of the image on the display from
1.0x ÷ 2.0x
by steps
of 0.2x. The following screen appears on the display:
Fig. 5: Setting of the display image zooming
4.4.4. Key
(Rotate)
Pressing key
allows rotating the image on the display, switching to a 180° view (see
Fig. 6).
Image 0°
Image 180°
Fig. 6: Image rotation on the display
4.4.5. Key RESET
Pressing key
RESET
(see Fig. 2
–
part 2) allows resetting the internal system by switching
the instrument off and on again.