Vertex Standard VXR-9000U Alignment Manual page 6

Simultaneously, confirm that "123456780" of confirmation transceiver's MMSI is
displayed in the LCD of the test transceiver.
Confirm that the confirmation transceiver receives the response from the test
transceiver and outputs beep.
Press the [CALL(MENU)] key of the confirmation transceiver and turn off the beep.
Simultaneously, confirm that "TEST" of test transceiver's MMSI is displayed in the LCD
of the confirmation transceiver.
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FCC ID: K6630143X3D
IC ID: 511B-30143X3D
Alignment
Vertex Standard Co,. Ltd.