Service manual

EXTERNAL SERIAL CONTROL PROTOCOL
B-24
April 2001
Part No. 001-9800-203
Format:
Data
- Event:
EVENT TRANSMIT
Function
: Provides a notification from the subscriber
unit that the specified transmit event has occurred.
Format
:
Data
- Event:
0x00 - End transmit
0x01 - Start voice transmit
0x02 - Start data transmit
0x03 - Transmit failed - channel busy
0x04 - Transmit failed - out of range
0x05 - Transmit failed - disabled
Opcode Event
1 byte 1 byte
0x49
Event Description
0x00 Scanning has stopped or set scan type to
“None”
0x01 Group scanning started or set scan type
to “Group Only”.
0x02 System and group scanning started or set
scan type to “System and Group”.
Opcode Event
1 byte 1 byte
0x4a
Table B-5 INFO RADIO STATUS Conditions
Byte Bits Name Description
0 7 (MSB) SCAN ENABLED Scanning is enabled
6 ENCRYPT ENABLED Encryption is enabled
5 COMPAND ENABLED Companding is enabled
4 TRANSMIT Radio is transmitting
3 PHONE GROUP Radio is on an interconnect group
2 HANDSHAKE Radio is attempting system access
1,0 (LSB) SCAN TYPE Type of scanning (when enabled):
0x0 = Disabled
0x1 = Group Only
0x2 = System/Group
1 7 (MSB) RX DATA CALL Radio is receiving a valid data call
6 RX VOICE CALL Radio is receiving a valid voice call
5 TRUNKED Radio is on a trunked system
4 SCAN SELECT System scan select type:
0x0 = Single Site
0x1 = Multi Site
3 SPEAKER AUDIO ENABLED Speaker gate is active
2 RX AUDIO ENABLED Rx Audio gate is active
1 MIC AUDIO ENABLED Mic Audio gate is active
0[reserved]