Datalogic PowerScan PBT9500 Specifications download pdf (Page 319)

Product Reference Guide

309

Chapter 5

Message Formatting

Message Formatting is available for PM9500 models only.

For this feature to be operational, the scanner must be set to

nore Host Commands (see

page 23

A message from the Host to the base must follow these rules:

• If Address stamping options or addres

s delimiter are enabled on the

base, the Host replay must have address field and delimiter too. Other-

wise the message will be ignored. Addres

s delimiter is present only

when address stamping is enabled.

• Address stamping is necessary to co

ectly route the message to the

PM9500, especially when more than one handheld is linked to the same

base. Address stamping could be disabled if the system is in point to

point configuration. If address stamping is not enabled, the messages

are addressed to the first handheld linked to the base.

• The maximum character length for messages is 48.

• Messages end with “CR” 0x0D ASCII character. The CR character cannot

be contained in

the middle.

• Messages cannot start with '$' or # because these are reserved for Ser-

vice mode command

• Base station can receive host message only if Host Commands Obey/

re is set to Ignore.

• Message could be sent to the handheld in response to a Label when

“Transmit mo

de” require Ack from Host (see transmit mode parameter)

or at any time. When messages are sent not in response to a label must

start with DC2 0x12 ASCII character and could be sent in any transmit

mode setting.

• Message could be sent to all handhelds linked to the base by using a

Multic

ast message:

“00 00 00 00 2A AA”

• In order to receive a message, handhelds must not be in sleep state.

The format of the ACK from Host message (used for transmission mode 02)

is:

[Scanner_Addr] [Scanner_Addr_delimiter] MESSAGE <CR>

The format of a generic message From Host to HH is:

[Scanner_Addr] [Scanner_Addr_delimiter] DC2 MESSAGE <CR>

where DC2 is ASCII 0x12 (^R) character.

[Items in square brackets are optional.]

• If you want to control the Scanner's beeper from the host, you will also

probably want to disable th

e good transmission beep that is emitted

when the code is received from the cradle. (See "Wireless Beeper Fea-

tures" on page 210).

The message field can store plain text and escape

sequences.

• Escape sequences are interpre

ted as commands.

1 2 ... 314 315 316 317 318 319 320 321 322 323 324 ... 361 362

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Datalogic PowerScan PBT9500 Specifications Page 319

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