GME TX677 - Page 24

TX677 Instruction Manual
24
CTCSS/DCS tones are switched o by default.
To use CTCSS/DCS you must rst enable a suitable CTCSS/DCS code using the
menu (see Menu options for more details). Your choice of CTCSS or DCS will largely
depend on which is currently being used by other radios in your group. If neither
system is currently in use, you can make your own choice. There is no dierence
in performance between the two systems. Once a CTCSS or DCS code has been
enabled, the display will show
TX677 Instrucon Manual
12 June 2018
© 2018 Standard Communicaons Pty Ltd trading as GME. All rights reserved.
22
50157
Content
Scanning Features
• If a signal is received, the scan is paused allowing you to transmit and receive on that
channel. During this me the icon will connue to ash to show that the scan is sll
acve. Once the channel has been inacve for 5 seconds the scan will automacally
resume.
• Pressing the PTT switch while the radio is scanning will jump to the working channel
allowing you to transmit and receive on that channel (the working channel is the channel
the radio was on at the me the scan was acvated). During this me the icon will
connue to ash to show that the scan is sll acve. Once the working channel has been
inacve for 5 seconds the scan will automacally resume.
• If the scan is paused on a busy channel that you don’t wish to listen to, press the or
keys to skip over the channel and connue scanning.
The Scan mode will reduce the overall baery life because the ‘Standby’ (baery saver) feature
is overridden. If the baery is running low you should avoid scanning to conserve power.
CTCSS, DCS and Silent Mode
CTCSS (Connuous Tone Coded Squelch System) and DCS (Digital Coded Squelch) are similar squelch
quieng systems that allow groups of users to share the same channel without disturbing each
other. The CTCSS system uses 1 of 50 low frequency tones to open and close the squelch on the
radio. The DCS system is similar to CTCSS but uses 1 of 104 digital codes to control the squelch.
When CTCSS or DCS is enabled on your radio, only signals that are using the same tone or code as
your radio will be heard in the speaker and the squelch will remain closed to all other signals.
CTCSS and DCS codes do not prevent others from hearing your transmission.
CTCSS/DCS tones are switched o by default.
To use CTCSS/DCS you must rst enable a suitable CTCSS/DCS code using the menu (see Menu
opons for more details). Your choice of CTCSS or DCS will largely depend on which is currently being
used by other radios in your group. If neither system is currently in use, you can make your own
choice. There is no dierence in performance between the two systems. Once a CTCSS or DCS code
has been enabled, the display will show (for CTCSS) or (for DCS). You can now make selected
channels ‘quiet’ by enabling Silent mode on those channels.
To acvate or deacvate silent mode on a channel:
1. Select the required channel.
2. Press and hold the SQL key. The selected CTCSS or DCS code will be displayed on that
channel.
Channels that have Silent mode enabled will now remain quiet unless a signal containing your
chosen code is received.
(for CTCSS) or
TX677 Instrucon Manual
12 June 2018
© 2018 Standard Communicaons Pty Ltd trading as GME. All rights reserved.
22
50157
Content
Scanning Features
• If a signal is received, the scan is paused allowing you to transmit and receive on that
channel. During this me the icon will connue to ash to show that the scan is sll
acve. Once the channel has been inacve for 5 seconds the scan will automacally
resume.
• Pressing the PTT switch while the radio is scanning will jump to the working channel
allowing you to transmit and receive on that channel (the working channel is the channel
the radio was on at the me the scan was acvated). During this me the icon will
connue to ash to show that the scan is sll acve. Once the working channel has been
inacve for 5 seconds the scan will automacally resume.
• If the scan is paused on a busy channel that you don’t wish to listen to, press the or
keys to skip over the channel and connue scanning.
The Scan mode will reduce the overall baery life because the ‘Standby’ (baery saver) feature
is overridden. If the baery is running low you should avoid scanning to conserve power.
CTCSS, DCS and Silent Mode
CTCSS (Connuous Tone Coded Squelch System) and DCS (Digital Coded Squelch) are similar squelch
quieng systems that allow groups of users to share the same channel without disturbing each
other. The CTCSS system uses 1 of 50 low frequency tones to open and close the squelch on the
radio. The DCS system is similar to CTCSS but uses 1 of 104 digital codes to control the squelch.
When CTCSS or DCS is enabled on your radio, only signals that are using the same tone or code as
your radio will be heard in the speaker and the squelch will remain closed to all other signals.
CTCSS and DCS codes do not prevent others from hearing your transmission.
CTCSS/DCS tones are switched o by default.
To use CTCSS/DCS you must rst enable a suitable CTCSS/DCS code using the menu (see Menu
opons for more details). Your choice of CTCSS or DCS will largely depend on which is currently being
used by other radios in your group. If neither system is currently in use, you can make your own
choice. There is no dierence in performance between the two systems. Once a CTCSS or DCS code
has been enabled, the display will show (for CTCSS) or
(for DCS). You can now make selected
channels ‘quiet’ by enabling Silent mode on those channels.
To acvate or deacvate silent mode on a channel:
1. Select the required channel.
2. Press and hold the SQL key. The selected CTCSS or DCS code will be displayed on that
channel.
Channels that have Silent mode enabled will now remain quiet unless a signal containing your
chosen code is received.
(for DCS). You can now make
selected channels ‘quiet’ by enabling Silent mode on those channels.
To activate or deactivate silent mode on a channel:
1. Select the required channel.
2. Press and hold the SQL key. The selected CTCSS or DCS code will
be displayed on that channel.
Channels that have Silent mode enabled will now remain quiet unless a signal
containing your chosen code is received.
Note: Silent mode cannot be activated unless a CTCSS or DCS code has been
selected via the Menu key (See Menu options for more details). If CTCSS/DCS tones
are set to ‘O’, any attempt to activate the Silent mode will be ignored. When
communicating with other radios using CTCSS or DCS, all radios must be switched
to the same channel and have the same CTCS or DCS code selected. To receive
signals from radios that are not using CTCSS or DCS, you will need to disable
Silent mode on that channel.