User guide

Operation pH 7310
16 ba75929e03 12/2011
4.3 Switching off
Automatic switch-off
function
The instrument has an automatic switch-off function in order to save the
batteries (see
section 7.3.1 SYSTEM, page 43). The automatic switchoff
switches off the measuring instrument if no key is pressed for an adjustable
period.
The automatic switchoff is not active
 if the communication cable is connected
 if the Automatic data storage function is active, or with automatic data trans-
mission
 if the power pack is connected
Display illumination The meter automatically switches off the display illumination if no key is
pressed for 30
seconds. The illumination is switched on with the next keystroke
again.
You can also generally switch the display illumination on or off (see section
7.3.1 SYSTEM, page 43).
4.4 Navigation
The principles of navigation in menus and dialogs are explained in the following
sections.
4.4.1 Measured value display
In the measured value display, open the setting menus with the <F1> softkey.
The current functions of the softkeys are shown on the display.
 Use <F1>/[Menu] (short pressure) to open the menu for calibration and
measurement settings for the displayed measured parameter.
 Use <F1_>/[Menu] (long
pressure (approx. 2 s) to open the Storage & config
menu with the sensor-independent settings.
Use the keys of the keypad to carry out further functions such as storage or cali-
bration (see section 4.1.1 KEYPAD, page 13). These functions are not available
in other operating situations.
4.4.2 Operating modes
The meter has the following operating modes:
1. Press the <On/Off> key.