41
Operations
Description, Specifications, Installation, Operation, and Service Manual
Operations
The UVIC is housed in a cabinet that contains a card cage with four plug-in cards
consisting of the following:
• One controller slot
• One optional accessory slot
• Two amplifier slots
UV Controller and UV400 Amplifier Front Panel Indicators
The following table provides the descriptions of the front panel indicators. See Figure 5.
Table 27 Front Panel of UV+ Controller Card
Label
Activate with a hold time > 0.50 seconds
ANT
Antenna connector when used with a one-way radio receiver
RXD
Receive serial data and receipt of radio channel modulation
TXD
Transmit serial data and DTMF and digital
AUDIO A
Audio present on channel A
AUDIO B
Audio present on channel B
ARM
Unit Armed indicator
PA
Public Address mode indicator
CPU
Microprocessor heartbeat
CARRIER
Radio frequency (RF) carrier indicator ON with carrier present
RX LEVEL
3 stage LED bar graph
The following table provides the descriptions of the front panel controls. See Figure 5.
Table 28 Front Panel Controls for UV+ Controller Card
Label
Description
MIC GAIN
Local PA level range sufficient to drive amplifiers into clipping
with 50 mV nominal input level.
Microphone volume adjustment knob.
DV GAIN
Volume adjustment for digital voice option. Internal Digital
Voice level sufficient to drive TP5 or TP6 into clipping.
TX GAINs
Transmitted audio adjustable from 50 mV to 1 V
P-P
RX GAINs
Received Audio level 300 mV to 3.00 V
P-P
The following table provides the description of the UV400 amplifier front panel
indicators. See Figure 5.
Table 29 Front Panel Indicators for Model UV400 Amplifier
Label
Description
POWER
Power LED is only on during activation
OUTPUT
Audio LED is on when amplifier is transmitting
LOAD
Speaker Load is on during activation with speaker load
