Ctcss; External Squelch Input; Connectors; Antenna Connector - RF Technology Eclipse Series Operation And Maintenance Manual

7.4.21 CTCSS

7.4.21 CTCSS
The CTCSS decoding is provided by a hybrid module. This provides programmable
decoding of all 38 EIA and 12 other common tones.
Tone Fre q. EIA#
No Tone
67.0 A1
69.4
71.9 B1
74.4 C1
77.0 A2
79.7 C2
82.5 B2
85.4 C3
88.5 A3
91.5 C4
94.8 B3
97.4
100.0 A4
103.5 B4
107.2 A5
110.9 B5

7.4.22 External Squelch Input

An external input is provided to squelch or mute the receiver audio output. This may be used
in conjunction with an external decoder or to mute the receiver during transmissions.
The External Squelch Input can be connected to the T/R Relay pin on Eclispe transmitters to
mute the receiver during transmission.

7.5 Connectors

7.5.1 Antenna Connector

Type N Female Mounted on the module rear panel
7.5.2 Power & I/O Connector
25 pin "D" Male Mounted on the rear panel

7.5.3 Test Connector

9 pin "D" Female mounted on the front panel.
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RF Technology R800
TONE SQUELCH FREQUENCIES
Tone Freq. EIA#
114.8 A6
118.8 B6
123.0 A7
127.3 B7
131.8 A8
136.5 B8
141.3 A9
146.2 B9
151.4 A10
156.7 B10
159.8
162.2 A11
165.5
167.9 B11
171.3
173.8 A12
177.3
7 SPECIFICATIONS
Tone Freq. EIA#
179.9 B12
183.5
186.2 A13
189.9
192.8 B13
196.6
199.5
203.5 A14
206.5
210.7 B14
218.1 A15
225.7 B15
229.1
233.6 A16
241.8 B16
250.3 A17
254.1
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