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- When you select the analog channel (CH1-CH4), press Threshold, then
rotate the multifunction knob or use the pop-up numeric keypad to set
the threshold of the Tx source channel. When you modify the threshold of
the Tx source channel, a dotted line displaying the current threshold level is
displayed on the screen. It disappears in about 2 s after you stop modifying
the threshold.
- Set the Rx source and the threshold
Use the same method to select the Rx source and set the threshold (available
only when the Rx source channel is set to an analog channel (CH1-CH4)).
NOTE
The source channels of Tx and Rx cannot be set to "OFF" at the same time.
- Set the polarity
Press Polarity continuously to set Positive or Negative as the
polarity for data decoding.
- Positive: Uses negative logic. High level is logic "0" and low level is logic "1".
- Negative: Uses positive logic. High level is logic "1” and low level is logic
"0".
5. Set the Data Package
Press Settings to enter the data package setting menu.
- Data
Press Data and rotate the multifunction knob to set the number of data bits
actually contained in each frame of data. Then, press down the knob to select it.
You can also press Data continuously or enable the touch screen to select it.
The available data bits are 5 bits, 6 bits, 7 bits, 8 bits, and 9 bits.
- Parity
Used to check whether the data are properly transmitted. Press Parity, and
rotate the multifunction knob to select the desired parity mode, then press
down the knob to select it. You can also press Parity continuously or enable the
touch screen to select it.
- None: indicates that no check bit appears during the transmission.
Protocol Decoding
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