User manual
1). BRIGHT setting 
① Press Monitoring button when the handset is hung on properly. (LED Blinking) 
② Press  BRIGHT  button  on  the  left  while  the  screen  is  turned  on.  (Beep  sound
once)
③ Power LED is blinked as fast (BRIGHT control mode)
④ Adjust the Brightness as the user wants by pressing UP / DOWN button 
⑤ Press the BRIGHT button to save the new setting when the setting is over. (Beep
Beep sound) 
2). COLOR setting
① Press Monitoring button when the handset is hung on properly. (LED Blinking) 
② Press COLOR button on the left while the screen is turned on. (Beep sound once)
③ Power LED is blinked as fast (COLOR control mode)
④ Adjust the color as the user wants by pressing UP / DOWN button 
⑤ Press  the  Color  button  to  save  the  new setting  when the  setting is  over. (Beep
Beep sound) 
3). CONT setting 
① Press Monitoring button when the handset is hung on properly. (LED Blinking) 
② Press CONT button on the left while the screen is turned on. (Beep sound once)
③ Power LED is blinked as fast (CONT control mode)
④ Adjust the contrast as the user wants by pressing UP / DOWN button 
⑤ Press the CONT button  to  save the new  setting when the setting  is over. (Beep
Beep sound) 
4). RESET (Video Status initialization) 
① Keep pressing the reset button for 3Sec while the screen is on (Video status will
be initialized) 
3. BRIGHT / COLOR / CONT setting (Available only in Monitoring status)
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