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10 Using the PMR radio
10.1
Switching On/Off the PMR radio
– Turn the "On-Off/Volume knob"
A clicking sound will indicate that the PMR radio is switched on.
– Adjust the volume level by turning the knob
– Turn the "On-Off/Volume knob"
indicate that the PMR radio is switched off.
Do not short-circuit the batteries or dispose in fire. Remove the batteries
if this device is not going to be used for a long period.
10.2
Selecting the channel
The PT-1116 is pre-programmed with 16 channels. It is recommended to use the first eight
channels (1..8) as these are a combination of a radio frequency combined with a DCS sub-
channel code. This way, there will be less interference of other PMR 446MHz users on your
channel. Last eight channels (9..16) are the eight different radio frequencies and will allow you
to speak/listen to users who are using PMR 446 MHz radio's that are not using sub-channel
codes.
– Rotate the "Channel selector"
The table in Annex A shows how the PT-1116 channels are pre-programmed.
When using the optional PC programming cable and the programming software,
downloadable from the Topcom website "www.topcom.net", you will be able to
reprogram the channel frequencies, DCS/CTCSS sub-channel, function keys and
other features.
10.3
Battery status
When PMR radio is switched on, the Status LED
– 4 x blinking green : 80~100% battery power left.
– 3 x blinking green : 50~80% battery power left.
– 2 x blinking green : 20~50% battery power left.
– 1 x blinking green : 5~20% battery power left.
The status LED will blink red slowly and the voice prompt will inform you when need to
recharge the battery.
10.4
Transmitting a signal
Press the PTT - button
and speak towards the microphone. The ideal distance between the
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microphone of the PMR radio and your mouth is 5 to 10 cm.
clockwise.
3 3
3
fully counter clockwise. The clicking sound will
to select the desired channel.
2
10
will indicate the battery status.
The Status LED
will turn red while transmitting.
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10.5
Receiving a signal
When the PT-1116 is turned ON it will always be in receiving mode on the selected channel.
While receiving a signal you can always adjust the volume by turning the knob
The Status LED
2
will turn green when receiving a signal.
10.6
Function keys
The PT-1116 has two function keys. By default, two functions are preprogrammed to each key.
When using the optional PC programming cable and the software you can assign other features
to the function keys.
10.6.1 Scanning
When you press briefly Function key 1
channels (1..8). In this way, the PMR radio will scan for signals coming from other PT-1116 users
or from users operating on the same radio frequency with the same DCS sub - channel. ( Annex
A)
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The Status LED
will blink red while scanning.When a signal is received you can answer just
by pressing the PPT-button
.The scanning will resume automatically after 4 seconds.
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When you press briefly Function key 1
10.6.2 Voice scrambling
When pressing Function key 1
7
for at least 1.5 seconds, voice scrambling will be enabled.
This way, other PMR radio's without this function will not be able to understand you when you
are transmitting.
When pressing Function key 1
7
for at least 1.5 seconds again, voice scrambling will be
disabled.
Make sure all users enable voice scrambling at the same time to make sure
that they understand each other.
10.6.3 Annunciation Elimination
By default, the PMR will announce the channel number and functions by an english voice prompt.
You can choose between voice prompt, a beep tone, or silence.
Press briefly Function key 2
to toggle between the three options.
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10.6.4 Monitor
When you press function key 2
for at least 1.5 seconds, the monitor function will be enabled.
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You will be able to hear weaker signals.
Press function key 2
for at least 1.5 seconds again to disable monitoring.
8
3
7
the PMR radio will scan for signals on the first 8
7
agian, scanning will be disabled.
Protalker 1116
.
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