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Operational
Q u alification (O Q
）
Automatic Polarimeter
AP-300
explained later in the manual.
Press the QUIT key in the “SET UP MENU 2/ 2” screen. The measurement screen is
displayed. Press the SCALE key to change the display. Press the SCALE key until the
angle of rotation screen appears
.
3-2. Error Messages
“ZERO SET ERROR”
1)
Set the standard quartz control plate or the standard sucrose solution of 100°Z in the
sample chamber.
2)
Close the sample chamber cover. Press the ZERO key.
3)
“ZERO SET Reading” will be displayed.
4)
“ZERO SET ERROR will be displayed.
Zero-setting can be performed within the range of –5° and + 5° of Angle of Rotation.
When it is outside of this range, “ZERO SET ERROR” will be displayed.
“OUT OF RANGE”
1)
Set the Upper and Lower Limit Bars.
2)
Select “4. LIMIT BAR” from “SET UP MENU 1/ 2” and press the ENTER key.
3)
“LIMIT BAR” is displayed. Enter appropriate values and the name of the sample in “No.
SAMPLE NAME.” Select “ANGLE OF ROTATION” for “SCALE.”
4)
For the item “LIMIT,” enter “10.00” in HIGH [ ] and “0.00” in LOW [ ]. Press the
ENTER key.
5)
The display returns to the “SET UP MENU” screen. Press the QUIT key. The display
returns to the measurement screen.
6)
Set a standard Quartz control plate or a standard sucrose solution of 100°Z in the sample
chamber.
7)
Close the sample chamber cover. Press the START key.
8)
“OUT OF RANGE” will be displayed after measurement is completed.
“TEMP. ERROR”
1)
Press the SCALE key in the measurement screen to display the International Sugar Scale
TC (Automatic Temperature Compensation) screen.
2)
Remove the thermal sensor from the sample chamber.
3)
Set a standard Quartz control plate or a standard sucrose solution of 100°Z in the sample
chamber.
4)
Close the sample chamber cover and press the START key.
5)
“TEMP. ERROR” will be displayed after approximately 45 seconds.
6)
Re-install the thermal sensor.
3-3. Password Function
The password “2222” and the system level “0” are the default factory settings of the
password function. Use this default password to change the password for the first time.
The password and the system level are important security settings. This chapter only
explains how to check the initial screens of 7. SYSTEM LEVEL and 8. PASSWORD
CHANGE. The password function can be changed once the user decides on the password
and system level.
