User's Manual

Index Index
Numerics
13 MHz reference generation, flipper IC 3-27
32 kHz oscillator, flipper IC 3-26
5-volt regulator U505, VOCON 3-23
700-800 MHz
model chart
non-ruggedized xxii
ruggedized xxiii
radio specifications xxvi
A
Abacus III IC U500 3-7
algorithms, encryption module 3-34
amplifier
audio power U503 3-24
audio pre-amplifier U502 3-24
driver U102 3-9
power transistor 3-10
summing U106 3-11
antenna port J2 3-5
antenna switch, transmitter 3-10
audio
circuitry, GCAP II IC U501 3-23
components, VOCON board 3-22
power amplifier U503 3-24
pre-amplifier U502 3-24
audio path
receive 3-33
transmit 3-32
automatic level control (ALC), PCIC 3-12
B
baseband interface port (BBP) 3-19
battery
connector J3 3-3
types and capacities 2-1
block diagram
Abacus III IC U500 3-7
overall 3-1
power distribution
700-800 MHz 2-2
UHF 2-2
VHF 2-2
receiver 3-5
transceiver 3-2, 3-3
board overlays
transceiver (RF) board
700-800 MHz 8-10
UHF 8-55
VHF 8-41
transceiver list 8-1
VOCON board
NTN9564B 8-86
NTN9564C 8-100
VOCON list 8-1
boot data path control, flipper IC 3-25
C
caution symbol meaning 1-2
charts, troubleshooting
button test 5-16
channel/zone select error 5-15
DC supply failure 5-5
display failure
800 MHz 5-11
VHF 5-8
keyload failure 5-34
list 5-1
main 5-2
power-up failure 5-3
secure hardware failure 5-35
top/side button test 5-17
VCO Tx/Rx unlock 5-18
VOCON
Rx audio 5-21
Rx RF 5-23
Tx audio 5-19
Tx RF (UHF R1/700-800 MHz) 5-31
Tx RF (VHF) 5-28
volume set error 5-14
CMOS support, flipper IC 3-26
components
block diagram 3-1
controller (VOCON) 3-17
encryption module 3-34
keypad module 3-30
universal flex assembly 3-30
connector
display module P301 3-17
encryption J701 3-17
keypad module P107 3-17
RF interface P201 3-17
universal J101 3-17
controller components, VOCON board 3-17
controls and control top flex, VOCON board 3-30
copyrights
computer software ii
document ii
D
D/A outputs, PCIC 3-13
danger symbol meaning 1-2
detailed theory
transceiver (RF) board 3-2
VOCON board 3-16
digital signal processor (DSP)
baseband interface port (BBP) 3-19
detailed theory 3-19
serial audio CODEC port (SAP) 3-20
timer module 3-19
universal serial bus (USB) 3-20
directional coupler U101, transmitter 3-10
disclaimer, documentation ii
display module
connector P301 3-17
VOCON board 3-29
driver amplifier U102 3-9