| 摘要 |
PROBLEM TO BE SOLVED: To provide a wall surface installation-type operation device capable of preventing failure in which an air including dust advances to a front face of a display to cause stains on a display surface of a display, with simple means in an appropriate manner.SOLUTION: A wall surface installation-type operation device A includes a notch 22 having a depth L1 that reaches a front area of the circuit board 1 from a tip part of the peripheral side wall part 21 that is provided on a peripheral side wall part 21 of a case 2 that accommodates a circuit board 1 having a display 10 mounted on a front part thereof. A protective sheet 4 that covers a rear face part of the circuit board 1 has a closing part 40 for a notch that closes a tip opening part of the notch 22 by overlapping on a rear face side of the peripheral side wall part 21 of the case 2. |
