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MD-380
User Manual

Kapiti MD-380 User Manual

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Kapiti Amateur Radio Society Inc. Branch 69

On the care and feeding of MD-380 handhelds

By Jeff

Graham

ZL2JG

Introduction

The MD-380 is a 70cm band handheld that supports traditional analog FM and the new digital ETSI

DMR standard available from more than a half dozen manufacturers. DMR is sometimes called

MotoTRBO by Motorola users.

MD-380 Operation

Turning on / off

The on / off and volume control is the knob on the top of the right hand side of the radio. Turn it

clockwise to turn on and adjust the speaker volume, counter clockwise until it clicks to turn off.

Transmitting

Press the orange PTT switch on the side of the radio, if you hear an access permit tone – two short

musical notes, you are successfully accessing the repeater and the timeslot/talk group you need is

available. If you hear no tone or a long steady single tone, either you are out of range of the repeater

or it is busy. Before transmitting check the display – this will show the repeater and talk group you

will transmit 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 one you currently

have selected. It goes red when you transmit.

Changing channels

The channel selector is the centre knob on the top of the radio. It has 16 positions. The currently

selected channel is displayed on the LCD screen. The channels are a combination of repeater, timeslot

and talk group. Each repeater supports two timeslots (two independent conversations) and multiple

talk groups.

Changing Zone

Channels are organised in to zones (banks) of channels. The zone is changed via the keypad.

 Press the green “menu” key, use the ↓ key to scroll to zone

 Press green key to confirm

 Press the up or down arrow keys to select the desired zone

 Press green key again to confirm

Note – there is a 'feature' in the MD-380 in that it will ignore the keypad if the currently selected

timeslot is active, in other words you can’t change zone while a QSO is in progress.One way to work

around this is to change channel with the selector knob to an idle channel, then you will be able to

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Summary of MD-380

Page 1
Kapiti amateur radio society inc. Branch 69 on the care and feeding of md-380 handhelds by jeff graham zl2jg introduction the md-380 is a 70cm band handheld that supports traditional analog fm and the new digital etsi dmr standard available from more than a half dozen manufacturers. Dmr is sometimes...
Page 2
Access the menus. Other buttons there are two smaller buttons on the side, one above and one below the orange ptt. They have different functions for short press – half second or less, or long press – 1 second or longer. Lower side button – a short press toggles between low and high power – look for ...
Page 3
Front panel programming the md-380 offers limited front panel programming capability. For dmr channels the main use is to access a repeater not yet in the code plug. Select the “fpp” zone and then use the channel select knob to select the talk group you want to use. The “program radio” option is hid...
Page 4
Options checked except remote monitor, radio enable, radio disable and vox. “buttons definitions” defines the functions of the two side buttons and allows you to configure the keypad buttons to select frequently used contacts, a feature i've not explored. “test message” allows you to define a number...
Page 5
And will only allow you to transmit if the channel is not already in use. Untick all options boxes except allow talk around. “emergency system” select none “contact name” determines the talk group that will be transmitted “group list” determines which talk group(s) will be received “color code” is l...
Page 6: Dmr Concepts
Dmr concepts zones zones are banks of channels and currently are set up and named by the repeater location that they support.There is generally one repeater per zone for the dmr repeaters. Colonial is the dmr repeater on colonial knob. This covers wellington city, porirua and parts of the hutt valle...
Page 7
Talk groups in each dmr repeater zone, the first eleven channels are the eleven talk groups that are carried on that repeater. These are vk/zl (tg5) which is carried on all repeaters in nz and australia. This is the primary talk group for local contacts. Zl (tg530) is a nation wide talk group carrie...
Page 8
Of world – not used very much at the moment  tg5 vk/zl carried on all repeaters in australia and nz – normal channel for this region  tg530 zl uses ts2, linked across all zl repeaters, is not linked to vk or dmr-marc core  tg8 zk uses ts1, linked across all zl repeaters, is not linked to vk or dm...
Page 9
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 ...