Cordless Section - Panasonic KX-F910BX Service Manual

13. CORDLESS SECTION

13-1. EXPLANATION OF CPU DATA COMMUNICATION
(1) Calling
Portable
[TALK]
TALK LED ON
(2) To terminate
Communication
[TALK]
TALK LED OFF
Unit
(STANDBY MODE)
ACK-R
ACK-L
STANDBY
STANDBY data is sent 4 times.
Base
Unit
When calling, a communication
request DATA (ACK-T) is
transmitted from the Portable
Unit first, and a permitting
data (ACK-R) is returned from
the Base Unit to it, then a
communication data (TALK) is
ACK-T
transmitted from the Portable
Unit.
TALK
OFF HOOK
IN USE LED ON
The permitting DATA (ACK-R)
from Base Unit to Portable
Unit includes the empty
channel information stored in
Base Unit. After transmitting the
communication DATA (TALK)
from Portable Unit to Base
Unit, the channel is used.
When the TALK button on
Portable Unit is pressed
during communication, a LINK
terminating DATA (STANDBY) is
sent to terminate communication.
ON HOOK
IN USE LED OFF
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KX-F910BX