User's Manual

7
FOR AN EXTERNAL MAGNETIC MOUNT ANTENNA
a.) Push the female BNC connector attached to the cable end of the Mag Mount
Antenna onto the male BNC connector found on the left exterior of the Citation
briefcase. Be sure to align the tabs on the male connector with the slots on the female
connector for proper operation. Secure the two together by pressing the female
connector firmly onto the male connector until it stops, then twist the female connector
clockwise until you hear a click. The two connectors are then locked together.
b.) Locate the antenna whip and make sure the silver screw connector is attached to the
bottom of the whip. If it is not, first slide the whip through the hole in the silver screw
connector, making sure the threaded portion of the connector is facing away from the
antenna after insertion. Then screw the antenna assembly onto the magnetic base by
turning the screw connector clockwise onto the base. Hand tighten only. DO NOT
OVER TIGHTEN THE ANTENNA TO THE BASE.
c.) Select the External Antenna Operation via the ANT selector switch found on the
Citation's Control Panel . Observe the condition of the LED indicator above the ANT
switch. If the LED is RED, external antenna operation is selected. If the LED is
YELLOW, push the switch once to turn the LED to RED and set the unit in External
Antenna mode.
FOR INTERNAL ANTENNA:
a.) Select the Internal Antenna Operation via the ANT selector switch found on the
Citation's Control Panel . Observe the condition of the LED indicator above the ANT
switch. If the LED is YELLOW, internal antenna operation is selected. If the LED is
RED, push the switch once to turn the LED to YELLOW and set the unit in Internal
Antenna mode.
Your Citation 20 is now ready to either receive a transmission, record a transmission
received via the inboard receiver, or playback a prerecorded tape.
RECEIVING TRANSMISSIONS
1.) Select the Channel to be monitored - corresponding to the appropriate frequency for
compatibility with your transmitter - via the KEYPAD.
2.) Select the BANDWIDTH of the transmission you will be listening to
Select the bandwidth via the B/W switch found on the control panel, just to the right of the
keypad. This switch toggles the receiver between the new 12.5 kHz channel spacing NTIA-102
extra narrow narrowband standard, and the older 25 kHz channel spacing wider narrowband
standard. Each time you press the switch, the LED indicator cycles color from RED to YELLOW.
When the LED is RED, the unit is in the NEW 12.5 kHz mode. When the LED is YELLOW, the
unit is in the OLD 25 kHz mode.
3.) Set the RECD/PLAY switch to the RECD (record) position.
This switch toggles the Citation's audio-play system between the reception from the receiver and
the playback function of the on-board recorder. Each time you press the switch, the LED
indicator cycles color from RED to YELLOW. When the LED is RED, the unit is in the
RECORDER PLAYBACK mode. When the LED is YELLOW, the unit is in the MONITOR
RECEIVER AND RECORD RECEPTION mode.