Freedom R8100 SERIES, Operator'S Manual

Page: 131 / 255

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Field Mnemonic Bits Note
Format LCF 8
Protected flag P 1 Encryption is not supported
Standard Format SF 1 0=specification
Opcode LCO 6 3=specification
Manufacturer’s ID MFID 8 Same as Header Word
Service Options 8
Emergency E 1 Hex 80; MSB
Protected P 1 Hex 40; Encryption is not supported
Duplex D 1 Hex 20
Mode M 1 Hex 10
Reserved R 1
Priority Level 3 00 to 07; highest to lowest
Target Address 24 Also Destination ID (DID)
Source Address 24 Also Source ID (SID)
Table 2.2.7.3.1.4-3. P25 Link Control Fields for LCO=3
SF – MFID Format (Voice Frame Encoder submenu)
Sets Implicit or Explicit mode for the MFID in the opcode. When set to “1 – Standard MFID” the standard
Manufacturers ID (00) is implied as being used. When set to “0 – Explicit Format” the Manufacturer’s
ID is part of the opcode. Select in a list entry window using the Up/Down (▲▼) keys or spin knob.
Service Options (Voice Frame Encoder submenu)
Sets the type of services in use by the subscriber unit. The range of values is from hexadecimal 00 to FF.
Alpha numeric entries are made using the ▲▼ (Up/Down), and ◄► (Left/Right) keys, numeric keypad,
and spin knob. The entry is the hexadecimal sum of the values chosen from the table below (E P D M R
P-L):
E – Emergency
00 = Normal
80 = Emergency status requiring special processing
P – Protected (encrypted)
00 = Non-protected mode
40 = Protected mode