Toshiba GRL100-701B Instruction Manual page 463

9). Lamp Test
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RESET key is pushed 1 second or more by LCD display off.
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It checks that all LCDs and LEDs light on.
10). Check the automatic supervision functions.
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LCD not display "Auto-supervision" screens in turn, and Event Records
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Checking the "IN SERVICE" LED light on and "ALARM LED" light off.
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