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15.3.1 Source Setting

Set the clock channel source and the threshold

• Click or tap the drop-down button of CLK to select the desired source of the

clock channel. Available sources include analog channels CH1-CH4.

• Click or tap the input field of

SCL Thre and use the pop-up numeric keypad to

set the threshold of the clock channel. You can also use the corresponding

multipurpose knob to set the value.

When you modify the threshold of the clock 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 data channel source and the threshold

• Click or tap the drop-down button of

SDA to select the desired source of the

data channel. Available sources include analog channels CH1-CH4.

• Click or tap the input field of

SDA Thre and use the pop-up numeric keypad to

set the threshold of the data channel. You can also use the corresponding

multipurpose knob to set the value.

Exchange sources

Select "SCL/SDA" or "SDA/SCL" in

Exchange to exchange the sources of the current

clock channel and data channel.

Specify whether the address information includes the "R/W" bit

For I2C bus, each frame of data starts with the address information (read address and

write address).

Select "Without" or "With" in

R/W to decide whether the address information

includes the "R/W" bit. When "With" is selected, the "R/W" bit will be included in the

address information; when "Without" is selected, the "R/W" bit will not be included

in the address information.

15.3.2 Display-related Settings

In Decode menu, set the following display-related parameters.

Set the Display Format

Click or tap the drop-down button of

Format to select the display format of the bus

data and event table. The available options include "Hex", "Dec", "Bin", and "ASCII".

Protocol Decoding

DHO800 User Guide

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