Alinco EJ-41U Manual de instrucciones descargar pdf (Pagina 17)

total of the frames should be less than 330 bites. This buffer size is the minimum required to

send one maximum frame. The information field maximum length is 256 bites, but it becomes

this size when other information such as destination callsign and relative relay station data is

included.

4-7 Monitor related commands

There are MONITOR, MCOM, MCON, MALL, MRPT, and TRACE commands available to control

the condition and display on the screen.

4-7-1 Monitor command

Abbrev: M default: ON parameter: ON/OFF

Example: M ON

This is used to monitor the packet communications (or not). If ON is selected, you will see your

messages and other traffic on the monitored frequency, including unproto traffic. If OFF is

selected, you will only see packets addressed to your station.

4-7-2 MCOM command

Abbrev.: MCOM default: OFF parameter: ON/OFF

Example: MCOM ON

This sets the TNC to monitor certain frames.

If set ON, and MONITOR is set ON, all frames, including control frames, are monitored. If set OFF,

it monitors only I frames (information frames). When ON is selected the frame status is shown

between[< >]. The details are available from books on packet or on the internet. Frames used in

packet communication are listed below:

l Types of frames

[I] information frames(I)

[RR] Available for reception frame(RR)

[RNR] Not available for reception frame(RNR)

[REJ] deny frame(REJ)

[C] connection request frame(SABM)

[D] disconnection frame (DISC)

[DM] disconnection notice frame(DM)

[UA] Non numeric system confirmation notice frame (UA)

[FRMR] frame refusal notice frame (FRMR)

[UI] Non numeric system information frame (UI)

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Alinco EJ-41U Manual de instrucciones Pagina 17