Garmin G1000 Pilot's Manual page 597

To disable the Iridium telephone system:
1) With the AUX‑TELEPHONE Page displayed, select the MENU Key on the MFD to display the Page Menu.
2) Turn either FMS Knob to place the cursor on 'Disable Iridium Transmission'.
3) Press the ENT Key.
Internal
Phone
190-00962-04 Rev. A
External
Phone
Phone is Idle
Phone is ringing
Phone has a dial tone (off hook) or connected to another phone
Phone dialed is busy
Phone is dialing another phone
Phone has failed
Phone status not known
Phone is disabled
Phone is reserved for data transmission
Calling other phone or incoming call from other phone
Other phone is on hold
Phones are connected
Table 8-5 Telephone Symbols
Garmin G1000 Pilot's Guide for the Diamond DA42NG
ADDITIONAL FEATURES
Description
581