Practical Instrument Electronics 530 - Manual (Page 2)

Model 530 Operating Instructions
EZ-Check ™ Switch cont.
Source Modes:
Slide the EZ-Check switch to the HI and LO positions to recall the settings stored in those
positions. While in the HI and LO positions, dial the EZ-Dial knob to change the display. Press
STORE/CLEAR to save new settings in the HI and LO positions. The display will flash “STORED”
to confirm.
Hint: For faster calibrations, the position of the switch can be felt. This feature allows continuous
monitoring of the device being calibrated without looking back at the Model 530 display. This is
also useful in poor lighting or under difficult operating conditions.
Read Modes:
In read modes, the Model 530 calibrator records the maximum and minimum readings observed in
each mode. Slide the EZ-Check switch to the HI and LO positions to display the readings. Press
STORE/CLEAR to clear the readings. The display will flash “CLEARED” to confirm.
By default, the Model 530 has EZ-Check HI/LO Readings OFF. Refer to Model 530 Configuration
section.
EZ-Step™ Pushbutton
The EZ-Step pushbutton is a feature only in source modes.
Press and hold the EZ-Step pushbutton for less than one second to cause the output to step up or down
by the EZ-Step size. The EZ-Step direction is indicated on the display ( or ). Press the EZ-
Dial knob to change the step direction.
Press the EZ-Step pushbutton for more than one second to activate auto step/ramp mode. The Model
530 will automatically step by the EZ-Step size. Press the EZ-Step pushbutton again to deactivate auto
step/ramp mode.
Stepping and auto step/ramp limits are defined by the EZ-Check HI and LO settings. The step direction
changes when a limit is reached.
By default, the Model 530 has EZ-Step OFF. Refer to Model 530 Configuration section.
EZ-Step™ Size and Direction
To Change the EZ-Step TM Size:
1. Press and hold the SOURCE/STEP SIZE button for more than ¾ of a second.
2. The display will indicate “EZ-STEP SIZE”.
3. Turn the EZ-Dial knob to select other step sizes. The choices are:
mA display - 0.001, 0.010, 0.100, 1.000, 4.000, 8.000
% display - 0.01, 0.10, 1.00, 10.00, 25.00, 50.00
4. Press the SOURCE/STEP SIZE button again return to the normal display.
Note: If the EZ-Step  option is turned off, the display will indicate “EZ-STEP OFF”. Refer to Model
530 Configuration section.
841 Holt Road #1 • Webster, NY 14580 Tel: 585-872-9350 • Fax: 585-872-2638 [email protected] • http://www.piecal.com/
Practical Instrument Electronics, Inc. Copyright  2002. All rights reserved. 530-9002 2/26/04 2-8