UT3500 series
User Manual
36
6.2.2 Turn on the Stat Function
Setting Steps:
1. Press the [Setup] button to enter the <Setup> page, select the function key
corresponding to the [SYSTEM CONFIG] at the bottom of the screen and press it to
enter the <SYSTEM CONFIG> page (or select [SYSTEM CONFIG] function key to
enter on the <TEST> page).
2. Use the cursor keys to move the cursor to the [LOG/STAT] field;
3. Use the function key to select stat, open the data stat function, and set the data record
buffer to the maximum: 10000 groups. You can also directly use the numeric keyboard
to input the required buffer size. For example: 50<In> to set the buffer size to 50 groups.
4. After enabling, the [STAT] field will appear on the <TEST> page, and the following
fields will be displayed at the bottom of the test page: The fields [R-No] and [V-No] are
valid quantities and cannot be changed.
The fields [R-CpK] and [V-CpK] are the statistical parameter settings, and there are
other statistical parameters that can be selected as listed in the following table.
Function Key
Function
MEAN(
x )
Average
MAX
Maximum
MIN
Minimum
σ
Population Standard Deviation
s
Sample Standard Deviation
Cp
Process Capability Index (Deviation)
CpK
Process Capability Index (Offset)
5. Use the keyboard arrow keys to move the cursor to the fields to select other statistical
parameters: MEAN(
x ), MAX, MIN,
σ,
s, Cp, as shown in Figure 6-2-2. After
determining the required statistical parameters, use the cursor keys to move the cursor
to the [STAT] field and select the start function key at the bottom of the screen.
Figure 6-2-2 Setting Page of Statistical Parameters