PeakTech 4105 Bedienungsanleitung Seite 132

5.21 Communication Port
5.21.1 USB Device
The USB Device connector is provided on rear panel, which be connected with PC using
USB cable to remote control for the instrument, or download the user -defined waveform
with waveform edit software, or update the instrument using firmware updating software.
For detail instruction, please refer to CD.
5.21.2 RS-232 port
The RS-232 connector is provided on rear panel, which be connected with PC using
RS-232 cable to remote control for the instrument. For deta il instruction, please refer to CD.
5.21.3 USB Host
This connector is provided on front panel, which is used to insert U -disk to store or recall
the user-defined waveforms or instrument state.
5.22 Calibration Overview
The waveform generator is secured when shipped from factory. After a long time operating,
some parameters will out of range. To guarantee the accuracy, periodical calibration is
needed. It's no necessary to open case for calibration but just using keypad.
When power off, the generator will automatically recall the calibration code stored on last time.
Turning off the calibration is used to prevent the calibration code to be modified.
5.22.1 Enable Calibration
Press 【Utility】key then to 〖 Calibrat〗softkey.
If calibration is disabled, 'Closed' is displayed and generator is in safe state. Analog
calibration demonstration can be processed but the calibration value can't be modified.
Press 〖Password〗softkey then select 'Calibrate' to enter calibration code 6900. 'Opened'
is displayed, now calibration on and ready to process.
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