ABUS TV8682 - Manual (Page 14)

4.1. Channel display
If a red point is lit next to the display of the channel number in addition to the display of the channel number,
add 100 to the channel number:
35
corresponds to channel 35
35. corresponds to channel 135
4.2. Channel selector buttons
Select the channel by pressing the appropriate channel selector button. The button increases the channel by 1.
The button decreases the channel by 1.
4.3. Channel lock
Press this button to lock the channel selector buttons. An “L” for lock is also shown in the channel display.
Pressing the “LOCK” button again unlocks the channel selector buttons.
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