Part 1: Facsimile
b) G3 signal transmission test
The G3 signal transmission test menu is selected by pressing the 4 button from the
MODEM NCU test menu. The G3 signals below are sent from the modem using the
modular jack and the speaker. The frequency can be changed with the numeric buttons.
The transmission level can be changed with the FUiVCTlCJN button then <
and > button.