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Topcom Protalker PT-1078 - RC 6420 Manual

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Protalker PT-1078
10 Charging the batteries
The desktop charger provides drop-in charging conveniency.
1. Put the desktop charger on a flat surface.
2. Plug one end of the supplied adapter into an easy accessible electric socket and the other end into the connector on the
backside of the desktop charger.
3. Make sure that the radio is turned OFF.
4. Put the radio in the charger.
5. The charging LED will turn on if it’s properly inserted and charging.
It will take about 16 hours to fully charge the Ni-Mh battery.
11 Description
See folded cover page - illustration 1
1. Antenna
2. LCD display
3. On/Off key
4. Speaker volume up
5. Speaker volume down
6. OK / keylock - key
7. Menu key
8. Microphone
9. Speaker
10. Call key
11. Sub-channel/Group key SUB/GRP
12. Channel down
13. Channel up
14. Monitor key MON
15. PTT-key
12 LCD display information
See folded cover page - illustration 2
16. Channel indication
17. Call / Missed call icon
18. RX icon
19. Group icon
20. Sub channel/Menu item/Group number,... indication
21. Battery level indication
13 Using the PT-1078
13.1 Turning the Unit ON/OFF
13.2 Battery Charge Level / Low Battery Indication
The battery charge level is indicated by the battery icon on the LCD Screen.
Battery full
Battery low
Battery almost empty
13.3 Adjusting Speaker Volume
There are 8 speaker volume levels (0..7)
13.4 Receiving a signal
The unit is continuously in the receive mode when the unit is switched ON and not transmitting.
13.5 Transmitting a signal
13.6 Changing channels
13.7 Sub -channels : CTCSS (Continious Tone Coded Squelch System) /
DCS (Digital Coded Squelch)
License free PMR radio's operating on the 446 MHz frequency band, have 8 available radio channels. If there are many PMR users
in your neighborhood, there is a chance that some of these users are operating on the same radio channel.
To prevent that you receive signals from other users, sub-channels have been integrated.
Two PMR radio's will only be able to communicate with each other when they are operating on the same radio channel and when they
have selected exactly the same sub-channel.
There are two kind of sub-channels :
• Continuous Tone Coded Squelch System (CTCSS)
• Digital Coded Squelch (DCS)
When using CTCSS, a low frequency tone (between 67 and 250 Hz) will be transmitted along with the voice signal. There are 38
available tones to choose from. You are free to choose one of these 38 available tones. Due to filtering, these tones will generally not
be audible so they will not disturb the communication.
To turn ON:
• Press and hold the - key for 2 seconds. The unit will “beep” and the LCD
display will display the current channel.
To switch OFF:
• Press and hold the - key for 2 seconds. The unit will “beep” and the LCD
display will turn blank.
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.
Do not charge non rechargeable batteries like Alkaline batteries in the charger. This might damage the
PMR’s and charger unit.
If the segments and icons of the displays are shown in light grey in this user guide, it indicates
that they are blinking.
3
3
In case the unit name is programmed, this name will be displayed for two seconds during startup
(Chapter 13.15.3).
• Press the - key in stand-by-mode to increase the speaker volume. The
volume level is displayed.
• Press the - key to decrease the speaker volume.
•Press the OK - key to confirm the volume level.
• Press and hold the PTT - key to transmit. The TX symbol is displayed.
• Hold the unit in a vertical position with the microphone 10cm from the mouth and
speak into the microphone .
• Release the PTT - key when you want to stop transmitting.
• Use the - key or the - key to go to a higher or lower
channel.
• After selecting the desired channel, press the OK - key to confirm.
When the battery is almost empty, will appear on the display and the unit will turn OFF automat-
ically after 30 seconds.
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5
6
In order for other people to receive your transmission, they must also be on the same channel and have
set the same sub-channel (Chapter 13.6 and 13.7).
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