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Useful Links

http://trbo.arec.info:42420/MinimalNetwatch

  this is the ZL-TRBO C-Bridge site that controls 

operation of the NZ DMR repeaters and allows you to see the activity going on in real time:

'source radio alias' is the ID and name of the user, if known.

'source peer alias' is the repeater they are coming in on.

'RSSI' is the received signal strength at the repeater, the less negative the number, the 
stronger you are. Levels -90 to -120 dBm are fairly weak, -80 to -60s getting stronger, above 

-60dBm is fairly strong.

'loss rate' is the packet loss rate, ie packets which contained uncorrectable errors and hence 

are likely to carry distorted audio. At signal levels -95dBm or better, the loss rate should be 
zero. High loss rates at reasonable RSSI levels are a sign of either interference on the repeater 

input or internet issues.

http://arec.info/downloads/

 has programming software and files for a number of different model 

radios

http://dmr.darc.de/

German 'last heard' site, more colourful than the cBridge site

http://www.dmr-marc.net/

Motorola Amateur Radio Club web site, many useful links

https://groups.yahoo.com/neo/groups/csidmr/info

  Yahoo forum for CS-700 series radios

Finally for more information this handy guide to amateur radio use of DMR is available free to 

download in PDF form:

http://www.dmr-marc.net/Amateur_%20Radio_Guide%20to_DMR.pdf

 

August 2015 Page 

9

 

Summary of Contents for MD-380

Page 1: ...nsmit to LED There is an LED in front of the volume control knob It goes green if one or more talk groups on the repeater is active although you will hear no audio if the active talk group is not the...

Page 2: ...ight blue region shows the talk group or analog channel name The talk group has a two persons graphic symbol in front of it while an analog channel has a speaker symbol graphic The purpose of the grap...

Page 3: ...e appropriate programming cable from Tytera Once the programming software has been installed and launched you can open the example programming file by clicking on File then Open and browsing to where...

Page 4: ...group with the restriction that all the talk groups have to be in the same time slot Zone Information tab allows you to create zones and associate particular channels with a given zone A maximum of si...

Page 5: ...de is like a digital CTCSS all amateur DMR systems use a value of 1 Repeater Slot determines the timeslot that will be used Privacy select none If the channel is an analog one CTCSS parameters can be...

Page 6: ...o is the DMR repeater in the centre of Hamilton Dunedin is the Highcliff repeater Tasman is located on the Takaka Hill Manawatu is on the Pahiatua Track Road above Palmerston North Auckland is on Quin...

Page 7: ...oup for international contacts Again it should be primarily used as a calling channel UAE1 and UAE2 are the so called user access groups These are intended as overflow groups for WWE They differ in th...

Page 8: ...on could be working an international contact while a second ZL station is talking locally In a given timeslot only one talk group can be active at a time so if WWE is active you cannot make a call in...

Page 9: ...rrectable errors and hence are likely to carry distorted audio At signal levels 95dBm or better the loss rate should be zero High loss rates at reasonable RSSI levels are a sign of either interference...

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