| 摘要 |
PROBLEM TO BE SOLVED: To prevent a switch from being unexpectedly operated by a user. SOLUTION: ATT switches 5 and 5 capable of switching the control of output level through slide operation are provided on a bottom surface 3 of a casing 2 of an up converter 1. The ATT switch 5 is installed being recessed in the bottom surface 3 and can be respectively slid through holes 6 and 7 formed on the bottom surface 3. |
