Dcs Tone System - Yaesu FT-8900R Operating Manual

7. Rotate the
be using.
67.0 69.3
94.8 97.4 100.0 103.5 107.2 110.9 114.8 118.8 123.0 127.3
131.8 136.5 141.3 146.2 151.4 156.7 159.8 162.2 165.5 167.9
171.3 173.8 177.3 179.9 183.5 186.2 189.9 192.8 196.6 199.5
203.5 206.5 210.7 218.1 225.7 229.1 233.6 241.8 250.3 254.1
8. When you have made your selection, press and hold in the
second to save the new setting and exit to normal

(1) Your repeater may or may not re-transmit a CTCSS tone—some
systems just use CTCSS to control access to the repeater, but don't pass it
along when transmitting. If the S-Meter deflects, but the FT−8900R is not
passing audio, repeat steps 1 through 4 above, but rotate the
knob so that ENC is displayed—this will allow you to hear all traffic on the
channel being received.
(2) You may select the Tone Squelch mode (ENC, ENC.DEC, or DCS) on
the Main band using the microphone's

DCS Tone System

Another form of tone access control is
advanced tone system which generally provides more immunity from false paging than does
. The
CTCSS DCS Encoder/Decoder
to that just described for
configured for
DCS
use transceivers equipped with this advanced feature.
Just as in operation,
CTCSS
that you select a tone code.
1. Press the
2. Rotate the
3. Press the
appears on the display; this activates the
Yaesu FT-8900R Operating Manual Expanded Edition (courtesy of W5JCK)
knob until the display indicates the
DIAL
CTCSS TONE FREQUENCY (Hz)
71.9 74.4
Digital Code Squelch
is built into your
CTCSS Tone System
; if not, it is frequently quite useful in Simplex operation if your friend(s)
requires that you set the
DCS
momentarily to enter the
SET key
knob to select
DIAL
knob momentarily, then rotate the
DIAL
77.0 79.7 82.5
operation.0.
key.
(
DCS)
FT−8900R
on page 27. Your repeater system may be
Tone Mode
mode.
Set
Menu #40 TONE M .
DCS Encoder/Decoder
TONE CODED SQUELCH
you need to
Tone Frequency
85.4 88.5 91.5
knob for ½
DIAL
DIAL
. It is a newer, more
, and operation is very similar
to and
DCS
knob until
DIAL
.
Page 28 of 77
DCS