
18
AT4808 User's Guide
MED
Set the sampling speed in middle
FAST
Set the sampling speed in fast
5.1.3
[Beep] Setting
Beep Settings includes: OFF and ON
Steps to set Beep
Step 1
Press shortcut [Setup] to enter < FUNCTION > page
Step 2
Use cursor keys to select[BEEP]field
Step 3
Use function keys to select
Function Key
Function
OFF
Close the Beep
ON
Open the Beep
5.1.4
[Baud] Setting
Before you can control the AT4808 by issuing RS-232 commands from built-in RS-232 to USB controller
connected via its mini-USB connector, you have to configure the RS-232 baud rate.
The AT4808’s built-in RS-232 to USB interface uses the SCPI language.
RS-232 configuration is as follows:
Data bits: 8-bit
Stop bits: 1-bit
Parity:
none
Steps to Set the Baud Rate
Step 1
Press shortcut [Setup] to enter < FUNCTION > page
Step 2
Use cursor keys to select[BAUD]field
Step 3
Use sidebar function keys to select baud rate
Function Key
Function
9600
Chose the baud rate if you use the opto-isolated
communication converter
19200
38400
57600
115200
Chose this high-speed baud rate while communication with
the PC
5.1.5
[Unit] Setting
Units Includes:
℃
,
K
,
℉
。
Steps to Set the Unit:
Step 1
Press shortcuts[Setup]to enter < FUNCTION > page
Step 2
Use cursor keys to select[UNIT]field
Step 3
Use function keys to select
Function Key
Function
℃
Degree Celsius
K
Degree Kelvin
℉
Degree Fahrenheit
5.2
Comparator Setup
Press[Setup] key and then [COMP SET] function key to enter <COMP SETUP> page
In this page, you can set the HIGH and LOW limits for each channel
Figure 5-2 <COMP SETUP> Page