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KHF 1050 SYSTEM INSTALLATION MANUAL
Page 29
Revison 2 23-10-09 Apr/2006
When a decoded SELCAL signal is received, a call waiting is indicated. The
SELCAL decoder generates an audio alert for the crew.
The SELCAL AUDIO OUTPUT is connected to the external SELCAL decoder.
Regardless of the operating mode selected by the pilot, the SELCAL AUDIO
OUTPUT is derived from an AM receiver inside the KRX 1053.
3.C. Component Leading Particulars
Leading particulars for components of the KHF 1050 HF system are listed below.
3.C.(1) KAC 1052 Antenna Coupler, Leading Particulars
CHARACTERISTIC DESCRIPTION
Weight: Refer to “Figure 2023 - KAC 1052 Antenna Coupler Single
Horizontal Outline and Mounting” , “Figure 2024 - KAC 1052
Antenna Coupler Single Vertical Outline and Mounting” and
“Figure 2025 - KAC 1052 Antenna Coupler Dual Vertical
Outline and Mounting”
Dimensions: Refer to “Figure 2023 - KAC 1052 Antenna Coupler Single
Horizontal Outline and Mounting” , “Figure 2024 - KAC 1052
Antenna Coupler Single Vertical Outline and Mounting” and
“Figure 2025 - KAC 1052 Antenna Coupler Dual Vertical
Outline and Mounting” .
Temperature Range
Operating:
Storage:
-55°C to +70°C
-55°C to +85°C
Altitude: 55,000 feet
Power Requirement:
+27.5 Vdc at 3 A
Connector: Refer to “Figure 2009 - KAC 1052 Antenna Coupler Connector
(J10521) Pin Configuration” (J10521) and “Table 2001 - KAC
1052 Antenna Coupler Connector (J10521) Pin Definitions” .
VSWR: Less than 1.5:1 (typical), 3.0:1 (max)
Antenna Tuning
Time:
50 msec (nominal) for previously tuned freq.
2 to 10 sec (nominal) if not previously tuned
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