Service manual

UNIVERSAL DIGITAL AND DATA INTERFACE
B-13
Revised May 1998
Part No. 001-9750-006
PTT_EVENT = 0x0C
State = New state (0 = released, non 0 = pressed)
RESET
This tells the radio to configure event flags, I/O
options, and audio path options to default states.
RESET = 0x0D
RETURN_GRP_ID
This tells the radio to reply with the current
Group ID data items using the GRP_ID response
message.
RETURN_GRP_ID = 0x0E
RETURN_LAST_RX_GROUP
This tells the radio to reply with the Group
Decode ID and Home Repeater Number for the last
received call using the LAST_RX_GROUP response
message.
RETURN_LAST_RX_GROUP = 0x1C
RETURN_RX_UNIQUE_ID
This tells the radio to reply with the Unique ID
(or UID) of the current or most recent call using the
RX_UNIQUE_ID response message.
RETURN_RX_UNIQUE_ID = 0x0F
RETURN_SYS_GRP
This tells the radio to reply with the radio’s
current system and group using the SYS_GRP
response message.
RETURN_SYS_GRP = 0x10
RETURN_UNIQUE_ID
This tells the radio to reply with the Unique ID
(or UID) of the current Multi-Net system using a
UNIQUE_ID message.
RETURN_UNIQUE_ID = 0x22
SELECT_KNOB_EVENT
This tells the radio that the select knob has been
rotated up, rotated down, or pushed.
SELECT_KNOB_EVENT = 0x11
Knob Event = 0 = down, 1 = up, 2 = push
SEND_DTMF_DIGITS
This tells the radio to send the specified DTMF
digits (approximately 70 ms on, 70 ms off).
SEND_DTMF_DIGITS = 0x12
Digits = 1 to 27 digits followed by a NULL byte. Digits
are encoded as the ASCII characters “0” to “9”, “*”,
and “#”.
RESET
1 byte
RETURN_GRP_ID
1 byte
RETURN_LAST RX_GROUP
1 byte
RETURN_RX_UNIQUE_ID
1 byte
RETURN_SYS_GRP
1 byte
RETURN_UNIQUE_ID
1 byte
SELECT_KNOB_EVENT Knob Event
1 byte 1 byte
SEND_DTMF_DIGITS Digits
1 byte 2 to 28 bytes
Serial Port Command Messages (Cont’d)