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four direction key, you can select relevant ion by pressing these four keys (display highlight). In
the middle of the screen is the ion name and molecular weight currently selected, press 'ENTER',
meter will select this ion mode as actual measuring ion mode, press 'X' key to exit from 'Set Ion
Mode' function and return to start mode.
User could set his own ion mode when he has relevant ion select electrode. User could also
measure ion concentration according to normal operating procedure of ion mode.
Three keys on the bottom of screen are 'NEW', 'EDIT', 'DELETE' key. They are designed to
match custom ion mode. Press 'NEW' button, user could define ion mode. Meter will request user
to input ion name and relevant molecular weight. When setting finishes, meter will add this ion
mode in ion mode storage automatically. Next time you can just select this ion mode to measure.
User can also edit custom ion mode or delete custom ion mode.
You could only start concentration measuring when you select correct ion mode. If you select
different ion mode, it will cause incorrect measuring result. For example, if you want to measure
concentration of sodium ion, then you should select 'Na' ion mode in 'Set Ion Mode' and start to
measure concentration of sodium ion.
Meter supports maximum 20 custom ion modes.
4.4.3 Set System Time
Press 'SETUP' key, select 'Set Time and Date' and press 'ENTER'. Meter enters into set system
time part. User can set present system time. On the upper side of the window is present system
time while at the bottom is the corresponding time key including 'year', 'month', 'day', 'hour',
'minute', 'second' key. It is displayed as follows:
Display chart of 'Set System Time'
Press corresponding time key to set relevant time. For example, if user wants to set present month,
you can operate as follows: press 'month' key once, meter will add one on present figure. At the
same time meter displays another two press keys, i.e. 'Enter' and '...' key. It is displayed as
follows:
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