Canon imageRUNNER 2545 Series Service Manual Digest page 90

display changes from OFF to ON, indicating the received frequency. The touch panel
(LCD) displays the status of CML, CNG and FED detection, from left to right, with ON/OFF
indications. Numeric keypad key 2 turns on the CML relay to detect CNG.
•
Test menu 3
Press numeric keypad key 3 on the LINE DETECT menu to select test menu 3. When the
CNG signal is detected on the telephone line connection terminal, the touch panel (LCD)
display changes from OFF to ON, indicating the received frequency. The touch panel
(LCD) displays the status of CML, CNG and FED detection, from left to right, with ON/OFF
indications. Numeric keypad key 3 turns off the CML relay to detect CNG.
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