Keypad; Display - TESTO 340 Instruction Manual

C.1.2 Keypad
C.1.3 Display
Depending on the menu that is active, the display shows a variety of elements.
Header (active in all views)
Function select view
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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
Change display light: display light stays on permanently or display light is switched on for 10s every time the key
is pressed.
  
Symbol Characteristic
Mains operation
Rech. battery operation, capacity: 76-100%
Rech. battery operation, capacity: 51-75%




www.
 Warning symbol (only if there is a device error;
device errors are displayed in the
menu).

Active folder and location.
 Power supply symbol:
Symbol Characteristic
Rech. battery operation, capacity: 26-50%
Rech. battery operation, capacity: 6-25%
Rech. battery operation, capacity: 0-5%
 Active menu, activated fuel
 Function selection fi eld:
The selected function has a grey background.
Unavailable functions are written in grey type

Scroll bar
 Function keys for entering commands
Testo-Direct
11
Inst' diagnosis
1.800.561.8187
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