Rgb-spectrum Quadra User's Guide Uživatelský manuál stáhnout pdf (Strana 54)

OPERATIONS

Adjusting Brightness and Contrast

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ADJUSTING BRIGHTNESS AND CONTRAST

Quadra enables you to easily adjust a source image’s brightness and contrast

using the BRIghtness

and CONTrast commands.

1. Request help text for the BRIghtness

command. Type:

H BRI Enter

Figure 3-17.

Help Text — Brightness Command

2. Query the source’s current brightness. Type:

BRI <input #> Enter

3. Adjust the brightness as desired, from -500 to +500. Type:

BRI <input #> [brightness value] Enter

4. Request help text for the CONTrast

command. Type:

H CONT Enter

Figure 3-18.

Help Text — Contrast Command

5. Query the source’s current contrast. Type:

CONT <input #> Enter

6. Adjust the contrast as desired, from 0 to 200. Type:

CONT <input #> [contrast value] Enter

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Rgb-spectrum Quadra User's Guide Uživatelský manuál Strana 54