Keypad; Display; C.1.2 Keypad - TESTO 330-1 Instruction Manual

C. Product description
10
C.1 Measuring instrument

C.1.2 Keypad

Key Functions
Switch measuring instrument on/off
Function key (orange, 3x), relevant function is shown on the display
Scroll up, increase value
Scroll down, reduce value
Back, cancel function
Open Main menu: press briefly (changed settigs are stored, measurement values are carried over into the menu
Flue gas); open Measurements menu: press and hold down for 2s (changed settigs are stored, measurement
values are carried over into the menu Flue gas)
Open Inst' diagnosis menu
Switch over display light: display light is permanently on or display light goes on for 10 seconds everytime a key
is activated.
C.1.3 Display
Depending on the menu that is active, the display shows a variety of elements.
Header (active in all views)
Symbol Characteristic
Mains operation
Rech. battery operation, capacity: 76-100%
Rech. battery operation, capacity: 51-75%
Function select view
Warning symbol (only if there is a device error; the
device error is displayed in the
menu).
Active location.
Power supply symbol:
Symbol
Active menu, activated fuel
Selection field for functions:
The chosen function is shown with a grey
background.
Unavailable functions are written in grey type.
Scroll bar
Function keys for entering commands
Inst' diagnosis
Characteristic
Rech. battery operation, capacity: 26-50%
Rech. battery operation, capacity: 6-25%
Rech. battery operation, capacity: 0-5%