Datalogic GRYPHON User Manual

GRYPHON™
138
5.1.2 ACK/NACK Protocol
GRYPHON™ D Series Readers
This parameter sets a transmission protocol in which the Host responds to the reader
after every code transmitted. The Host sends an ACK character (06 HEX) in the case
of good reception or the NACK character (15 HEX) requesting re-transmission, in the
case of bad reception.
Gryphon™ D
Host
ACK or NACK
data
cable
ACK/NACK enabled
If the reader does not receive an ACK or NACK, transmission is ended after the RX
Timeout (see par. 5.1.4).
Selection of the ACK/NACK protocol temporarily
disables FIFO buffering
see
par. 5.1.3.
GRYPHON™ M Series Read
ers
The transmission protocol takes place between reader, cradle and Host. The reader
passes its data (code read) to the cradle which sends it to the Host.
In the following descriptions the completed transmission is indicated by the Beeper
Control for Radio Response parameter with its default setting to Normal, see par.
5.8.3.
W
hen ACK/NACK is disabled, there is no control from cradle to Host transmission,
the reader responds with the good reception tone.
Host
data
cable
GRYPHON™ M
data
good RX
beep
OM-GRYPHON™
ACK/NACK disabled

Datalogic GRYPHON Specifications

General

Scanner Type	Handheld
Category	Barcode Reader
Drop Resistance	1.8 meters
IP Rating	IP65
Decoding Capability	1D and 2D barcodes
Light Source	LED
Scan Pattern	Linear or omnidirectional (depending on model)
Model	GRYPHON
Type	Handheld
Scan Technology	Laser or Imager (depending on model)
Humidity	5 to 95% NC (Non-Condensing)
Dimensions	Varies by model
Weight	Varies by model
Power Supply	Battery (Cordless Models)
Storage Temperature	-20°C to 60°C