Samsung 820DXn Service Manual page 55

4. Troubleshooting
Option/Checksum Part

Checksum
The 4 digit serial number regarding the
micom code is displayed if you select
this.
4-24
Option Adjustment
-. Baudrate Speed Setting (The default value is 9600.
-. Change to 115200 when the code update on the main board is required.)
-. Function Key Setting/Unsetting
-. Option Setting in the Network part
-. Audio delay Setting (Set for the video and audio synchronization.)
-. The message display in the improper resolution mode Setting/Unsetting
-. PC cable detect Setting/Unsetting
-. DVI cable impedance matching setting
-. Check Status
* Fan Speed Setting
* If Current Temperature value is over Temperature Control value,
Monitor enter the Protection Mode( Backlight off and Function LED
change color [Green to Orange] )
* Current temperature of the inner monitor
-. Control IR output carrier frequency : off, 32, 36, 38,40, 56kHz
-. Delay value before the Hot Plug Detect reset
-. Control DVI Impedance value
-. DVI clock reset Setting/Unsetting
-. DVI hot plug detect Setting/Unsetting