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Remote Control
6.2
About USB-Serial Interface (Option)
The USB-Serial Interface allows you to connect AT681x to a USB port on your PC.
NOTE:
Please install the USB-Serial driver before using USB-Serial Interface.
6.3
To Select Baud Rate
Before you can control the AT281x by issuing RS-232 commands from built-in RS-232
controller connected via its DB-9 connector, you have to configure the RS-232 baud rate.
The AT861x’s built-in RS-232 interface uses the SCPI language.
The configuration of RS-232
RS-232 configuration is as follows:
Data bits: 8-bit
Stop bits: 1-bit
Parity:
none
To set up the baud rate
Step 1. Press the [Meas] or [Setup] key
Step 2. Press the [SYSTEM] bottom soft key.
Step 3. Use the cursor key to select [BAUD] field
Step 4. Use the soft-keys to select baud rate.
Soft-key
Function
9600
19200
38400
57600
115200
Recommend, system default.
6.4
Hand Shake [SHAKE HAND]
AT861x supports software “hand shake”. AT861x will return the whole command to host
and then response the command when the [SHAKE HAND] is turned ON.
Procedure to turn ON the “Shake Hand”:
Step 1.
Press the [Meas] or [Setup] key
Step 2.
Press the [SYSTEM] bottom soft-key.
Step 3.
Use the cursor key to select [SHAKE HAND] field
Step 4.
Use the soft keys to turn ON.
ON
OFF
NOTE:
If you use Applent Software, please make sure that the [SHAKE HAND] was turned OFF.