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Page 14 PRC50-EN-V2.1 11/11
Step 9:
Pressing the
(ON)
key causes the SOURCE indicator on the LCD to change from ‘’OFF‘’ to ‘’ON ‘’, and the
calibrator sources low level signals between its output terminals.
Step 10:
Press the
(START)
key to allow the calibrator to source the set number of pulses responding to the preset
frequency and amplitude, the LCD will show the “RUN” icon.
Step 11:
When source is complete, the calibrator automatically switches OFF the output and ceases operation. The “RUN”
symbol also switches OFF.
Step 12:
To switch OFF the output, press the
(ON)
key again. The ‘’OFF‘’ icon appears on the LCD and no signals will be
sourced between the terminals.
Notes:
z
The frequency range of the pulse can only be changed by pressing
(RANGE)
in the frequency set mode.
z
When the “RUN” symbol switches OFF, the user can change the frequency and amplitude when the source function is
in ‘’ON ‘’ or ‘’OFF‘’.
z
During the pulse sourcing process, pressing the
(START)
key causes the calibrator to switch OFF the output; the “RUN”
icon switches OFF also. Press the
(START)
key again to restart the sourcing function.
z
Restarting the pulse output requires that the source function be in the ‘’ON ‘’state.
5.6 Zero-off function
In any range of DC voltage or DC current pressing the
(ZERO)
key initializes the preset source value. In the frequency and
pulse modes, the
(ZERO)
key function is unavailable.