4 Product description
19
Display Description
,
Power supply/battery capacity:
: Mains operation, battery fully charged.
: Mains operation, no battery inserted.
: Battery operation, capacity 75-100%
: Battery operation, capacity 50-75%
: Battery operation, capacity 25-50%
: Battery operation, capacity 10-25%
: Battery operation, capacity 0-10%.
- - - - (animated): battery is
charging.
or
Auto-focus activated or deactivated.
Only testo 890-2: radio link to radio probe
established.
Only testo 890-2: Bluetooth interface activated.
Only testo 890-2: headset connected.
USB connection established.
4.1.3. Operating concept
The imager can be operated in two different ways.
Operation via touchscreen offers quick access to functions.
Operation via joystick requires more actions but enables single-
handed operation of the imager.
Joystick operation
Selection and activation is carried out in two steps: moving the
joystick ( [●] ) up/down/right/left moves the orange selection box on
the display. The selected function or button is activated by pressing
the joystick.
Touchscreen operation
Selection and activation is carried out in one step: the required
function or button is selected at the touch of a fingertip and is
activated at the same time.
Capacitive touchscreen. Operation is only possible with a
bare fingertip (no gloves) or a conductive stylus pen.
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