| 摘要 |
A signal indicator lamp (1) includes a plurality of light emitting units (21 to 25) each of which emits light in one light emission color selected among a plurality of light emission colors, a memory (35) (light emission color table (71)) that variably stores light emission color information of the plurality of light emitting units (21 to 25), a light emission control section (51) that controls light emission states of the plurality of light emitting units (21 to 25) according to light emission color information stored in the memory (35) (light emission color table (71)) based on an input control signal, a volume adjustment switch (40) to be operated by an operator, and a light emission color information registering section (54) that registers light emission color information in the memory (35) (light emission color table (71)) based on an operation of the volume adjustment switch (40). |
