Hytera TC-580 - Manual (Page 34)

8
Signaling Introduction
CTCSS/CDCSS and DTMF signalings are available with
TC-580. For detailed information, please contact your
dealer.
CTCSS/CDCSS
CDCSS/CTCSS can be used to prevent unwanted con-
versations at the same frequency. If CTCSS/CDCSS
is set on a certain channel, you can only receive voice
calls from radios with matching CTCSS/CDCSS. Other-
wise you will receive voice calls from all users operating
at the same frequency.
You may request your dealer to program corresponding
parameters; alternately, you can program them manu-
ally through your radio by yourself. For more informa-
tion, please refer to the section “RX CTC/CDC” and “TX
CTC/CDC” in Manual Program on page .
Dual Tone Multiple Frequency (DTMF)
Methods to transmit DTMF signaling:
. Enter the menu Call List, select your desired contact
entry, and press PTT to transmit; or
. Press the programmed Call1-Call5 key to transmit;
or
. Enter the DTMF code on the home screen, and then
press PTT to transmit.
During transmission, the LED glows red solidly; after
transmission, it solidly glows orange within the auto
reset time (programmed by your dealer).
Decoding DTMF signaling:
When a channel is programmed to receive DTMF
signaling, the radio will decode matching DTMF
signaling only.
When the radio is receiving DTMF signaling, the LED
glows green solidly; after it successfully receives
Note: To enable this feature, DTMF signaling
must be enabled on current channel via
Note: The DTMF code is comprised of 0-9,
A-D, * and #.