Problem

 

Probable Cause

 

Corrective Action

“MCP ERR” appears on

1

Ensure that the

1

Checking connection

the display. (MCP-2A

 

connection between

 

 

communications error)

 

the TM-D710 and the

 

 

 

 

PC is correct.

 

 

 

2

While performing

2

Shut down other software

 

 

a large amount of

 

that you may be running.

 

 

processing on the

 

 

 

 

PC.

 

 

 

3

EchoLink mode turns

3

Turn EchoLink mode OFF.

 

 

ON.

 

 

 

4

There are other

4

Turn the TM-D710 power

 

 

reasons why

 

source OFF and ON, one

 

 

communications was

 

time.

 

 

not possible.

 

 

Concerning the received frequency display, an unmodulated signal may be received. This is according to the set intrinsic frequency form.

 

 

<A band>

 

<B band>

 

 

VxU reception

(144 MHz + 45.05 MHz) x 2

–

(430 MHz - 49.95 MHz)

= 45.05 MHz, 49.95 MHz

(144

MHz + 45.05 MHz) x 4

– (430 MHz - 49.95 MHz) x 2

= 45.05 MHz, 49.95 MHz

UxV reception

(430 MHz - 45.05 MHz)

– (144 MHz + 49.95 MHz) x 2

=

45.05 MHz, 49.95 MHz

(430

MHz - 45.05 MHz) x 2

–

(144 MHz + 49.95 MHz) x 4

=

45.05 MHz, 49.95 MHz

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