Extron Electronics ISM 482 - Manual (Page 69)

ISM 482 Integrated Scaling Matrix Switcher • HTML Operation 63
Output polarity
Select the output polarity as follows:
1. Click in the Polarity field. A drop-down box appears (see figure 48).
Figure 48. Polarity Drop Box
2. Click the desired output sync polarity.
3. Click the Submit button.