3-9
TABLE 3-2 OPERATORS SWITCHES, CONTROLS AND INDICATORS (Continued)
FIG
3-1
No.
SWITCHES
CONTROLS &
INDICATORS
FUNCTIONAL DESCRIPTION
12
LIQUID
CRYSTAL
DISPLAY
A 5½ digit Liquid Crystal Display (LCD) displays the FREQUENCY/
CHANNEL that the transceiver is currently operating on. IN SCAN mode it
displays the current frequency scanned if RF signal is present.
13
LOUDSPEAKER
An 8-ohm internal speaker reproduces the receiver audio output. The audio
line is disconnected from the internal loudspeaker when the transceiver is
operated in Tx mode or when the SPEAKER/PHONE connector is in use.
14
SPEAKER/
PHONE
CONNECTOR
A 3-pole connector provides interconnection to either an external
loudspeaker or headphone. When in use, the internal speaker is
disconnected and the VOLUME control sets the audio level applied to the
external speaker or headphone.
15
AC ON/OFF
SWITCH
A single pole switch applies external AC power to the Base Station power
supply.
16
AC POWER ON
LED INDICATOR
A RED LED indicates when AC power is applied to the unit and the AC
POWER SWITCH is set to ON. Also indicates that the Base Station power
supply is functioning.
17
AC FUSE
A 2.5 Amp fuse protects the Base Station power supply from power supply
internal short circuit or transceiver short circuit.
18
EXTERNAL
DC FUSE
A 5 Amp fuse protects the 27.5 volt nominal power supply line. As part of
reverse polarity protection, the fuse will "blow" when polarity of the External
DC supply line is reversed.
19
EXT DC BLOWN
FUSE
INDICATOR
A RED indicates when External DC fuse is blown.
20
RF POWER
SWITCH
Selects Low (7W) or High Power (15W/25W) Transmit Operation, in Base
Stations with a Linear Amplifier. Not provided on 7 Watt units.
21
15/25 W RF
POWER
LED INDICATOR
An AMBER LED indicates that 15/25 Watt (High) RF Power output has been
selected and transceiver is operating in transmit mode. The LED is driven by
sampled RF and indicates that RF is present.
22
*AC POWER
CONNECTOR
3 Prong AC Connector for use with AC Power Cord P/N 927002-1.
23
*REMOTE
CONTROL
CONNECTOR
9 Pin "D" type connector provides connections required for remote operation.
Refer to Table 2-1 for connector details.
24
*EXTERNAL DC
CONNECTOR
Chassis mounted connector provides for Connection to External DC Supply
Source. Mates with DC power cable P/N 863701-1.
* Denotes items located on rear panel.
