Instruction Manual KAL 100/20094.2.2 I/O switchSecondary on/off switch; in standby mode the power input is approx. 5 W.Pressing the primary on/off switch, a double-pole switch located on the rear of theinstrument, separates the instrument from the power supply.4.2.3 Menu keyPressing the menu key allows the operator to adjust the following 8 settings: Target value increments: 5, 10, 20, 25, 50, 100% Pressure input: +P, -P, Diff (both) Units of pressure: kPa, hPa, Pa, mbar, Torr, mmHg, mmH2O, inH2O (Optional) Unit in the 2nd line (unit of pressure, V, mA) Zeroing: on, off Language: German, English, French, Italian, Spanish Battery data: Voltage, present current, present current source, battery charge status Default settingsNavigation keysItem 1 is displayed when the menu function is first activated; users may selectother items by pressing the right/left navigation keys. The arrows on thedisplay indicate which navigation keys are active. Pressing any of theoperating mode keys (target value, pressure, test) exits the menu. Exiting themenu saves user preferences, which will be automatically set the next timethe instrument is switched on.I/O