18 MARMITEK
2. Press and hold setup key until the LED remains on and the Main Setup Screen is
shown.
3. Release Setup key.
4. Press and hold the Mute key for approximately 5 seconds. The LED will blink, and
stay off for the 5 second period then blink once more to indicate volume toggle
acceptance. The display will return to the main Setup Screen.
5. Remote Volume default is now set.
13 Problems and troubleshootingThe remote doesn’t work or loses codes entered
• Confirm with your original remote that the equipment works correctly
• Make sure that you have pressed the corresponding mode key of the equipment or
device that you want to control.
• If the listed code does not work, try the AUTOSEARCH method or enter the next
code of that brand.
• To find the corresponding code for your equipment use the automatic search.
• Check that the batteries have the correct polarity position.
• The programming of the remote requires 4 AAA batteries (new). If the remote looses
codes within a few days/weeks the problem can be solved by using 4 new batteries
from the same brand.
• If the LED is lit permanently, this usually means the batteries need to be replaced.
Important:
The ET25 must be used only in the way described in this instruction manual and may not
be used for a purpose not intended.