| (a) Operation of the passing beam for one hour (the voltage shall be adjusted as specified in paragraph 1.1.1.2.); | a7c0 | |
| Operation of the passing beam for one hour (the voltage shall be adjusted as specified in paragraph 1.1.1.2.); | a2c0 | |
| Operation of the passing beam for one hour (the voltage shall be adjusted as specified in paragraph 1.1.1.2.); | a0c0 |