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10 Topcom Twintalker 9100
Topcom Twintalker 9100
13.7 CTCSS (Continuous Tone Coded Squelch System)
The 2 digit CTCSS code corresponds to a specific tone frequency the radio emits. Two users,
with the same channel and CTCSS set can hear one another.They will not be able to hear
anyone else on the channel unless the other radios have the same exact CTCSS code
enabled.
The PMR has 38 CTCSS codes available.
• Press twice, the CTCSS code will flash
• Press or to select another code.
• Press to confirm your selection and return to the NORMAL mode.
• To confirm and shift to the next option, press .
NOTE: Any PMR set on the same channel can receive and listen to the
conversation, also when the other use a CTCSS code.
13.8 Monitor
You can use the MONITOR feature to check for weaker signals in the current channel.
• Press and simultaneous to activate channel monitoring. Hold these buttons for 3
seconds for contiuous monitoring.
• Press to stop monitoring
13.9 VOX Selection
The PMR is capable of voice activated (VOX) transmission. In VOX mode, the radio will
transmit a signal when it is activated by your voice or other sound around you. VOX operation
is not recommended If you plan to use your radio in a noisy or windy environment.
• Press 3 times.
• Press to turn the VOX feature ON and press again to select the
VOX sensitivity level which is indicated in the right corner of the display.
Press until OF appears on the display, to turn VOX OFF.
• In the VOX mode, the VOX icon will be displayed.
• To confirm your selection and return to the NORMAL mode, press .
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