General Information
Chapter Four: Functional Overview
44
How To Change Entries
The menus consist of two types of entries; those you choose from a list of options, and those
that require you to enter a value. To choose an entry from a list of options, use the Adjust knob
to scroll through the options. For entries that require you to enter a value, use the [
CURSOR
]
key to move the cursor from left to right, and the Adjust knob to change the value of each digit.
Initially, the cursor is positioned at the first digit on the left, normally a
±
sign. Press the cursor
key to move the cursor one place to the right. Once the cursor is positioned on the last digit and
you press the [
CURSOR
] key again, it returns to the first digit. To enter a value, press the
[
ENTER
] key or any mode key.
When multiple entries appear on the screen, use an arrow key, ( [
] or [
] ), to select
each entry. The cursor indicates the active entry. Set the entry to the appropriate value in the
manner described above. Once you have scrolled through all the entries on the screen, press an
arrow key to advance the display to the next screen.
Note
Press any configuration key to return to the pressure display screen after
you have entered or changed an entry. Otherwise, you may change the
parameter by inadvertently moving the Adjust knob.
Invalid Entries
The 670 instrument will not accept an invalid entry in any of the menu screens. If you enter an
invalid entry and attempt to leave the screen by pressing an arrow key, the screen changes the
entry to the last valid number entered. You must press an arrow key again to leave the screen. If
you attempt to exit the screen by pressing a mode key, the pressure display screen appears,
however, the screen entry reverts to the last valid number entered. The change is not visible until
you re-enter the menu screen.
Display Screen
The main pressure display screen shows the active channel number on the left and the pressure
reading on the right. The pressure display screen below shows Channel 1 as the active channel,
reading atmospheric pressure:
Ch 1
760 Torr
The pressure display screen can also display the heater current power consumption and software
version number. For more information, refer to How To Display the Heater Current with the
Pressure Reading, and How To Display the Software Version Number, both on page 81.
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