Motorola GM1280 User's Guide download pdf (Page 31)

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SPECIAL CALLS

SPECIAL CALLS

Short Data Messages (SDM)

Short data messages may be set up, sent and

received using the radio keypad and controls.

Outgoing data messages from the keypad are

limited to alphanumeric data in any

combination of up to 20 characters (which

include address information and data selection

characters).

Receiving Short Data Messages

On receiving a Short Data Message:

The data message icon

K is lit whenever

SDMs are in the data message calls list, i.e.

displayable, unless the message display has

been turned off (refer to Displaying Incoming

Data). Note that the data message icon

flashes when data messages in the calls list

are unread. The icon is lit permanently when a

message is read and retained in the calls list.

Displaying Incoming Data

The short data message display can be

switched ON and OFF using the pre-

programmed Data Display button, or using the

keypad or via the menu. Refer to Settings -

Data Display for

details.

The SDM display defaults to ON, however the

option setting is retained when the radio is

switched off.

Note: This feature is important if the radio is being

used with external data terminal equipment

(DTE), to prevent loss of data messages.

With the SDM display set to ON, on reception

of a valid SDM, either it can be displayed by

the radio and/or passed to external DTE. In

either case, the SDM is received and accepted

(acknowledged) by the radio. Only if the SDM

is of an un-displayable format AND the

external DTE is disconnected, is the SDM

rejected by the radio.

With the SDM display set to OFF, on reception

of a valid SDM, it will not be added to the data

message calls list for display, but passed to the

external DTE, which if accepted will be

acknowledged by the radio.

1 Tone G sounds

Data Received

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 63 64

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