Specifications

Local Operation
Tutorial 4
4-5
will appear below the scratch pad. Notice that the upper left corner still shows
MEASURE. The Calibrator stays in Measure mode until the change is confirmed.
gkn017.bmp
Figure 4-6. Control Mode in Main Menu
7. Press ENTER to confirm the mode change. The upper left corner will change to
CONTROL, and the pressure will start moving towards the set-point.
8. After the pressure is stabilized, assure that the word Step is highlighted in the
Step/Jog [F5]. The Step/Jog [F5] toggles between Step and Jog, to switch between
these modes, press the function key [F5]. In addition to using the key-pad to enter a
pressure set-point, you can also use the step function. Using the rotary knob, rotate
the knob clock-wise to increase the set-point, or counter clock-wise to decrease the
controller set-point. The scratchpad will be updated with a new set-point. The step
size defaults to 10% of full scale. This step size is user defined and can be changed in
the Menu | Setup | User menu.
9. Press ENTER to accept the new set-point. The Calibrator will move to the new
set-point.
10. Press Measure key which is located in the key-pad. The Calibrator will change to
Measure mode. No confirmation is necessary to leave Control mode.
Selecting Language
The RUSKA 7250 can operate in a variety of different languages. To select a different
language, press the MODE key two times MODE, MODE. The current language will be
highlighted. Use the rotary knob to highlight a new language and hit the ENTER key to
select that language.
Selecting Mode of Operation
The RUSKA 7250 is offered in four different modes. These are gauge only, permanent
absolute only or gauge mode with simulated absolute mode using a barometric reference
sensor, or finally gauge/absolute mode by venting or evacuating the reference port of the
differential sensor.