You may want to adjust the display contrast to make the screen easier to see in certain lighting conditions.
Here's how:
1. With the TD-9 turned on, press and hold the KIT button.
2. Turn the dial to adjust the contrast.
3. Release KIT when you're finished.
Here's how:
1. With the TD-9 turned on, press and hold the KIT button.
2. Turn the dial to adjust the contrast.
3. Release KIT when you're finished.