Siemens RAPIDLAB 248 Operator's Manual page 15

Understanding the System
Choosing Options
The selected menu (Calibration) is highlighted briefly, confirming the
keypress. The display shows the Calibration menu.
As before, the status line shows where you are (Main Menu -
Calibration), the information area lists the options available in the
calibration menu, and the instruction line tells you how to select your
option and gives an alternative action (press * to Exit).
To return to the Ready screen from anywhere in the menus, press * to
backstep through the screens.
Check Boxes
Some options are shown as check boxes. These options are also selected
by pressing the corresponding number on the keypad.
To see an example of check boxes:
Press the corresponding number on the keypad to select alternative
options.
The main points to remember are:
Main Menu → Calibration
1 Full 1 Point
2 Full 2 Point
3 Gas 1 Point
4 Gas 2 Point
press 1 - 7 or * to Exit
From Main Menu → Calibration press *. The 248 returns to the Main
Menu screen. Press * again, the 248 returns to the Ready screen.
From Ready press # for menu; 5 to select Operating Setup and 3 to
select Units.
→ Operating Setup → Units
pH
1 pH units
+
2 H nmol/L
press 1 - 7 or * to Exit
means that the option is selected,
means that the option is not selected.
Press * 3 times to backstep through the menu screens to the Ready
screen.
• You choose an option from the list displayed by pressing the
corresponding number on the keypad.
• You can return to the Ready screen by pressing * to backstep
through the screens.
5 pH 1 Point
6 pH 2 Point
7 Barometer
Gases
3 mmHg 5 g/dL
4 kPa 6 g/L
7 mmol/L
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