4 Product description
13
3 Instrument rechargeable battery lock release button.
4 Metric thread: For fastening the included tripod adapter.
Do not use desktop tripods, danger of tilting!
5 Right interface terminal: Radio module slot.
6 [Autofocus switch]: For switching the autofocus on and off
(only testo 880-3).
7 2 LEDs: For illumination for the visual image (only
testo 880-3).
8 Digital camera lens: For recording visual images (only
testo 880-1/-3)
9 Laser: For aiming at the measuring field.
Laser radiation. Do not look into the beam.
CLASS 2 LASER
10 Infrared camera lens: For recording thermography images.
Exchangeable lens (only testo 880-2, -3).
11 Rotating ring Manual focusing: For manual focusing.
testo 880-3: Only use rotating ring with autofocus switched
off to prevent damage to the auto mechanism.
12 Lens lock ring
13 [Autofocus control]: For motorized focusing (testo 880-3
only)
14 [Trigger]: For recording (freezing/saving) images.
15 Left interface terminal: Memory card slot. USB interface.
Mains socket, for connecting the included mains unit. Buffer
battery slot.
16 Status LED: off (no mains unit connected), flashing (mains
unit connected, battery is charging), on (mains unit
connected, charging completed).
4.2. Basic properties
Voltage supply
The power is supplied to the instrument via an exchangeable
rechargeable battery or via the included mains unit.
With an attached mains unit, the power is supplied
automatically via the mains unit and the instrument's
rechargeable battery is charged (only at ambient temperatures
from 0 to 45 °C).
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