Getting Started
1 - 5
Beeper and Decode LED Signals from the Symbol PL4507
The BEEPER_OUT and HOST_DEC_LED* output lines provide user feedback but do not provide enough current
drive for the actual beeper and LED device. Additional buffering is required.
The Symbol PL4507's beeper output ranges from 2.352 KHz to 2.963 KHz. The beeper output is a 50% duty cycle
square wave at maximum volume, 12.5% at low volume.
If using a non-inverting driver to buffer the HOST_DEC_LED* line, connect the output of the driver to the cathode
(-) end of the LED.
Table 1-4
User Interface Indications
Description
Indication
SSI Event
Beeper
Decode LED
Trigger pull
No sound
No light
TRIGGER_PULLED
No decode
NODECODE_MSG
Wakeup
WAKEUP
Video is off
VIDEO_OFF
Video is on
No Sound
Light
VIDEO_ON
Decode
Middle Tone
Flash of light
DECODE
Snapshot started
Low Tone
Blinking
SNAPSHOT_START
Snapshot is complete
Low Tone
No light
SNAPSHOT_COMPLETE
Bootup
Low Tone, Middle
Tone, High Tone
No light
BOOTUP
Transmission error
Four Low Tones
No light
TRANSMIT_ERROR
Entry error
Low Tone, High Tone
Flash of light
ENTRY_ERROR
Defaults set
High Tone, Low Tone,
High Tone, Low Tone
Flash of light
DEFAULTS_SET
Parameter entered
PARAM_ENTERED
Number entry expected
High Tone, Low Tone
Flash of light
NUMBER_EXPECTED
Summary of Contents for Symbol PL4507
Page 1: ...Symbol PL4507 Decoder Integration Guide ...
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Page 3: ...Symbol PL4507 Decoder Integration Guide 72E 116649 02 Revision A April 2009 ...
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Page 40: ...2 12 Symbol PL4507 Decoder Integration Guide ...
Page 43: ...Accessories 3 3 Figure 3 2 Symbol SE4500 to PL4507 21 Pin Flex p n 15 113896 01 ...
Page 45: ...Accessories 3 5 Figure 3 4 Symbol PL4507 30 Pin Mating Host Connector p n 50 12167 030 ...
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Page 355: ...Advanced Data Formatting 11 91 Alphanumeric Keyboard Space Single Close Quote Dash ...
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