Terrain Awareness Warning System (Taws) - Garmin GNS 530W Installation Manual

4.11 Terrain Awareness Warning System (TAWS)

4.11.1 Audio
Pin Name
AUDIO 2 HI
AUDIO 2 LO
The TAWS audio output will be 100 mW across a 500 ohm load.
4.11.2 Annunciators
Pin Name
TERRAIN NOT AVAILABLE ANNUNCIATE
TERRAIN WARNING ANNUNCIATE
TERRAIN CAUTION ANNUNCIATE
TAWS INHIBIT ANNUNCIATE
TERRAIN NOT AVAILABLE ANNUNCIATE sinks up to 500 mA when not active. All other
annunciator outputs sink 500 mA when active.
4.11.3 RS-232
Pin Name
RS-232_OUT_5
RS-232_IN_5
The RS-232 outputs confirm to EIA Standard RS-232C with an output voltage swing of at least ±5 V
when driving a standard RS-232 load.
4.11.4 Miscellaneous
Pin Name
TAWS INHIBIT IN
TAWS AUDIO INHIBIT IN
TAWS AUDIO ACTIVE OUT
The TAWS INHIBIT IN and TAWS AUDIO INHIBIT IN are active low.
TAWS functions can also be inhibited via the 500W Series user interface.
TAWS AUDIO INHIBIT IN is used to inhibit TAWS audio. This can be connected to inhibit output
lines of another unit whose audio is higher in priority.
TAWS AUDIO ACTIVE OUT allows the TAWS system to announce that it is playing audio. This can
be connected to the audio inhibit in lines of other units whose audio is of less priority than TAWS.
4.11.5 TAWS Configuration
Refer to Sections 5.3.21 and 5.3.22 for the TAWS configuration.
4.11.6 TAWS Calibration and Checkout
Refer to Section 5.4.7 and 5.5.6 for the TAWS checkout.
4.11.7 External TAWS Annunciator Interconnect (optional)
Refer to Figure H-24 for external TAWS annunciator interconnect. Refer to Section 2.5.1.3 to determine
if external TAWS annunciators are required.
Page 4-24
Rev. D
Connector
P5001
P5001
Connector
P5050
P5050
P5050
P5050
Connector
P5050
P5050
Connector
P5050
P5050
P5050
NOTE
Pin I/O
52 Out
53 In
Pin I/O
9 Out
10 Out
11 Out
12 Out
Pin I/O
60 Out
61 In
Pin I/O
1 In
2 In
15 Out
500W Series Installation Manual
190-00357-02