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190-01007-A1 System Maintenance Manual GTN 6XX/7XX Part 23 AML STC
Rev. 7 Page 3-14
3.4.4.3 COM Transmit Power Enablement
When the optional 16W COM power is configured, the GTN
COM will transmit with 16 watts rather than the standard 10
watts. This section describes how to re-enable the 16W COM
transmit power.
NOTE
For first time COM transmit enablement, refer to the
GTN 6XX/7XX AML STC IM, P/N 190-01007-A3, for
additional requirements and checkout procedures. This
manual only describes the necessary steps to re-enable
the feature for existing installations.
1. Turn the GTN off by pulling the NAV/GPS circuit
bre
aker.
2. Remove the database SD card from the data card sl
ot
and insert the 16W Enablement Card,
P/N 010-00878-04, that was used at the i
nitial installation.
3. Enter configuration mode by applying power to the GTN (closing the circuit breaker) whi
le
holding the HO
ME key.
4. Go to the COM Transmit Power page from the GTN Options page. Touch the 16W key.
5. When the 16W COM feature is activated, the 16W key will be lit green, as shown in Figure 3-15.
NOTE
The feature enablement card should be provided to the customer after service has been
completed.
Figure 3-15. COM Transmit
Power Configuration Page