! You can turn off the warning tone. See Switching the warning tone on page 39.
Important ! Never use force or grip the display and the buttons tightly when removing or attaching. ! Avoid subjecting the front panel to excessive shocks. ! Keep the front panel out of direct sunlight and high temperatures.
Removing the front panel
1 Press OPEN to open the front panel. 2 Grip the left side of the front panel and pull it gently outward. Take care not to grip it tightly or to drop it.
3 Put the front panel into the protective case provided for safe keeping.
Attaching the front panel
% Replace the front panel by holding it upright to this unit and clipping it securely into the mounting hooks.