Universal Remote Control URC-300 ユーザーズマニュアル

You can make the text darker by pressing both the 
MAIN and cursor UP buttons at the same time. To 
make the text appear lighter, press both the MAIN and
cursor DOWN buttons at the same time.

When a command is being transmitted, an
icon will appear in the top right corner of the
display. It is a useful aid when setting up
Macros and FAVs, since it flashes with every
step of a sequence of commands.

Contrast set low.

Contrast set high.