V-Tech G21 Manual - Manual (Page 10)

• Avoid to plug in/out the SD card when the guard unit is under operation.
• Playing will be interrupted by the calling.
8.Screen and Volume Adjustment
During monitoring or talking, touch ADJUST icon, then touch and select the adjustment item you
want; touch / icon to decrease / increase the value.
• The Scene mode selection: Total 4 screen
modes can be selected in sequence: Normal,
User, Soft and Bright. Whenever you modify
Brightness or colour, Scene item will be set to
User mode automatically.
• The Brightness and Color item is for the image
quality setting, adjust the value to get the best
image you like.
• The Talk Volume item is for talking volume adjustment.
• Note that all the modifications will be performed immediately after the operation.