User guide
 
22
Adjustments
The AV200R and AV201R receivers both include brightness and sharpness 
adjustment dials. Additionally, the AV201R receiver is also equipped with two 
extra dials to eliminate the effects of colour skew within the video image. 
Brightness and sharpness adjustments
The brightness and sharpness adjustments 
provided on every AV receiver allow you to 
compensate for any losses incurred within 
long cable links. 
When making adjustments it is necessary 
to have access to the AV receiver and to be 
able to view one or both connected display 
screens. Both adjustments, sharpness in 
particular, are made easier when viewing high 
contrast images with vertical edges, such as 
black lines on a white background.
NOTE: Both video outputs are equally 
affected by your brightness and/or sharpness 
adjustments. 
BRIGHT
SHARP
ADDERLINK
Sharpness dial
Brightness dial
High contrast 
black character 
on white 
background 
Black or bright 
white shadow 
on the right 
indicates the need 
for sharpness 
adjustment
To display a suitable high contrast image 
• Openawordprocessor,typethecapital
letter‘H’,or‘M’andincreasethepoint
size to 72 or higher. For best results, the 
background should be white and the 
character should be black. 
•ABLACKshadowontherightof
thecharacterindicatesUNDER
compensation. 
•AWHITEshadowontherightofthe
characterindicatesOVERcompensation.
To adjust brightness and/or sharpness 
1 Carefully insert a small screwdriver into the dial labelled BRIGHT or SHARP, as 
appropriate.
2 Slowly turn the dial clockwise or anticlockwise and observe the effect shown 
on the screen. Withdraw the screwdriver when the displayed image is shown 
at its optimum clarity.
3 Ifnecessary,repeatstep2fortheotherdial.
  Note: If the sharpness control is set too high, the monitor may not be able 
to display a picture. If this occurs, reduce the sharpness setting. 










