Tactical Technologies CIT20 Intelligence Receiver User Manual ct20

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Date Submitted	2000-09-15 00:00:00
Date Available	2000-10-13 00:00:00
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CITATION 20
INTELLIGENCE KIT
OPERATING INSTRUCTIONS
© Tactical Technologies Inc
CITATION 20
SYNTHESIZED INTELLIGENCE KIT
DESCRIPTION
The Tactical Technologies Inc. CITATION 20 Synthesized Briefcase Intelligence Kit is a
multipurpose system designed for portable receiving and/or recording of covert intelligence
gathering operations.
The receiver is a highly sensitive narrow band synthesized VHF-FM receiver with a 100 channel
memory that operates in the 150-174 MHz range and is designed to meet the NTIA-102
narrowband (12.5 kHz channel spacing) standards. The receiver can also be set to receive
transmissions from devices designed prior to the NTIA-102 standard (25 kHz channel spacing).
An informative LCD display and multiple LED bar graphs highlight the Citation 20's control
panel. The unit is easy to program either in the Tech Office or "on the road". The unit's software
features a "FIELD SECURE" mode that eliminates the numeric frequency information from the
LCD display and leaves only the channel number and the assigned alpha/numeric name. In this
mode, the programmed frequency list is protected from additions or subtractions.
The recording system comes with a high quality Marantz PMD 201 cassette recorder, and the
monitoring system is enhanced with Tactical Technologies Inc.'s own dual band Digital Audio
Controls. Bass and/or Treble frequencies of the received audio can be monitored during initial
reception, or during playback of a recording. These tonal adaptations will NOT be recorded via
the on-board Marantz, thus retaining the integrity of the original recording. Also included as
standard equipment is an Adaptive Digital Audio Filter (DSP switch), which can eliminate
unwanted background noise from the received audio, or from a pro-recorded session. This ADAF
audio also can NOT be recorded via the on-board recorder.
The panel includes many illuminated displays and switches - all of which can be turned off so that
the panel remains dark for night time operations when this is a necessity.
As an option, the CITATION 8 can be equipped with descrambling. This will permit decoded
receiving/recording of a scrambled transmission from a compatibly scrambled Tactical Technologies Inc. transmitter or repeater.
GENERAL OPERATIONS
INITIAL SETUP
POWER
1.) Select one of the three possible power sources you will be using during operations.
a.) Internal Rechargeable Battery Pack.
No additional setup is required. Check to make sure battery if fully charged. See
section entitled "CHARGING AND CARING FOR THE INTERNAL BATTERY"
b.) External 12 VDC power source.
Connect the single pin female connector found on the 12VDC cigarette lighter cable to
the male connector found on the left outside panel of the Citation 20 case. Push the
cable end connector into the panel mounted connector on the case. Lock the connectors
together by rotating the sleeve on the cable end clockwise to thread it onto the panel
mounted connector. Hand tighten only.
c.) 110 VAC power source.
Connect the 3 pin female connector found on the 110 VAC cable to the male connector
found on the left outside panel of the Citation 20 case. Locate the correct alignment
configuration, and push the cable end connector into the panel mounted connector on
the case.
2.) Turn power on by pushing the POWER switch. The LED indicator on the switch should
illuminate and the LCD display should come on, indicating that the unit is operational under the
selected power source.
PROGRAMMING THE CITATION 20
The Citation 20 can store frequency and name information for up to 100 channels in its
nonvolatile, internal memory. Use the KEYPAD for data entry and retrieval.
LAMP
The LAMP key toggles the LCD displays illumination on and off.
It is advisable to use the Lamp sparingly during internal battery operations in an effort to conserve
battery life.
PROGRAMMING A FREQUENCY ...
1.) SELECT A CHANNEL TO BE PROGRAMMED
A.) Press the CHNL key. A blinking cursor will appear at the first digit of the NUMERIC
CHANNEL NUMBER on the display. Enter a two digit channel number from 00 to 99.
Or........
B.) Press the UP ARROW or the DOWN ARROW keys to scroll through the channel
numbers. Stop at the desired channel.
The Citation 20 retains "last active channel frequency information" in its memory at all times.
When changing channels from an active, programmed channel to a blank, non-active
channel, the synthesizer will keep the receiver tuned to the last active frequency until a new
frequency is either programmed in, or a channel is selected which has been preprogrammed.
So even though the display may be on a blank channel, the receiver may still tuned to an
active channel. This operation is normal.
2.) ENTER A FREQUENCY FOR THE DISPLAYED CHANNEL
Press the FREQ key , then enter the frequency.
Once the FREQ key is pressed, the display shows a blinking cursor on the FREQUENCY
portion of the display.
The frequency portion of the display looks like this:
Your data entry begins with the tens column. The hundred's column and the decimal point
are permanently displayed.
The standard Citation 20 will accept any frequency from 150.0000 MHz through 174.0000
MHz, in 2.5 kilohertz steps. Data entry into the thousandths column must be either a 0, 2, 5,
or a 7. The Citation will automatically fill in the last column. A "0" in the thousandths
column yields a "0" in the final column, "2" yields a "5", a "5" yields a "0", and a "7" yields a
"5". Any other entry in the thousandths column is an invalid entry, and the Citation will
return a blinking cursor, requesting valid data. Please see the following example:
Your initial entry is 154.65 .......
154.65 -> you enter "0" -> display shows 154.6500 MHz
154.65 -> you enter "1" -> display shows 154.65?? MHz
154.65 -> you enter "2" -> display shows 154.6525 MHz
154.65 -> you enter "3" -> display shows 154.65?? MHz
154.65 -> you enter "4" -> display shows 154.65?? MHz
154.65 -> you enter "5" -> display shows 154.6550 MHz
154.65 -> you enter "6" -> display shows 154.65?? MHz
154.65 -> you enter "7" -> display shows 154.6575 MHz
154.65 -> you enter "8" -> display shows 154.65?? MHz
154.65 -> you enter "9" -> display shows 154.65?? MHz
Valid
Invalid
Valid
Invalid
Invalid
Valid
Invalid
Valid
Invalid
Invalid
If you attempt to enter an invalid frequency, the Citation will either:
1.) Return the blinking cursor to where your initial error happened - requesting you to reenter your data. Or .....
2.) Make you complete the programming, leaving at least one "?" as part of the displayed
frequency. If this happens, press the FREQ key again, and re-entry your data.
To change the frequency of a channel that has previously been programmed:
Simply press the FREQ key, and over write the old channel with the new data.
If you make an error in your data entry.......
1.) Complete the frequency, then over write the wrong entry with the correct one. Or....
2.) Press the POWER button, turning the unit off, BEFORE you have completed the new
frequency data entry. Then turn it on again. This will return the channel to its original
frequency.
Once a channel is programmed, it can not be individually cleared from memory.
NAMING THE CHANNEL.....
Enter up to 12 Alpha/Numeric characters to name the channel.
1.) Press the NAME key
The cursor will blink on the first of the twelve alpha/numeric segments on the display. This
display area is called the ALPHA/NUMERIC CHANNEL NAME .
2.) Enter the first character of the channel name using the DATA ENTRY PAD
Upper and lower-class letters A-Z, the numbers 0-9, and a BLANK space are available for the
channel name. Use the UP ARROW and/or DOWN ARROW keys on the keypad to scroll
you through the selections.
3.) Press the NAME key again to set the selected character and move the cursor to the next letter.
Enter the next character using the procedures described above.
4.) Continue to enter characters, pressing the NAME key each time to set the character and move
to the next letter. When finished, press the NAME key repeatedly until the cursor disappears from
the display.
If you make a mistake in data entry .....
Press the NAME key repeatedly until the cursor scrolls back to the erroneous character. Over write
the wrong data with the correct character. When finished, press the NAME key repeatedly until
the cursor disappears from the display.
FIELD SECURE MODE vs. FULL PROGRAMMING MODE
The initial operating condition of a new Citation 20 is called the FULL PROGRAMMING MODE.
In this state, all available functions are accessible and operational to the user, including synthesizer
programming and memory clearing. The Citation 20 is equipped with a second operating
condition called the FIELD SECURE MODE. Field Secure Mode eliminates some functions and
adds protection to the memory. Field Secure adds the following features to the unit:
1.) WRITE PROTECTED
a.) Frequencies that are preprogramming into the unit can not be changed.
b.) New frequencies can not be added.
c.) Names that are preprogrammed can not be changed.
d.) The overall memory of the Citation 20 can not be cleared.
2,) HIDES FREQUENCY
a.) LCD only displays NUMERIC CHANNEL NUMBER and ALPHA/NUMERIC
CHANNEL NAME. The Frequency is eliminated - thus preventing field agents from seeing
actual operating frequency numbers.
b.) Disables the NAME and FREQ buttons on the keypad.
TO PLACE THE UNIT IN FIELD SECURE MODE:
a.) With the unit in Full Programming Mode, turn the Citation 20 OFF. Use the small FSM
tool provided and insert it into the female RCA LINE jack found on the panel. Inside this
jack is a switch. Using the tool, lightly press on the switch, then extract the tool. When the
switch is engaged, the Citation 20 will be in FIELD SECURE MODE. (When the switch is
dis-engaged, the unit is in FULL PROGRAMMING MODE.)
b.) Turn the POWER switch ON.
c.) Observe display - see that the numeric frequency information has been deleted.
d.) The Citation will remain in Field Secure Mode, regardless of power conditions, until
switched to revert back to Full Programming Mode.
TO RETURN THE UNIT TO FULL PROGRAMMING MODE:
a.) With the unit in Field Secure Mode, turn the Citation 20 OFF. Use the small FSM tool
provided and insert it into the female RCA LINE jack found on the panel. Inside this jack is
a switch. Using the tool, lightly press on the switch, then extract the tool. When the switch
is dis-engaged, the Citation 20 will be in FULL PROGRAMMING MODE.
b.) Turn the POWER switch ON.
c.) Observe display - see that the numeric frequency information has returned.
d.) The Citation will remain in Field Secure Mode, regardless of power conditions, until
switched to revert back to FIELD SECURE MODE.
CLEARING THE MEMORY
Should it become necessary to clear the entire memory of the Citation 20:
1.) Turn the unit ON.
2.) Make sure the unit is in the FULL PROGRAMMING MODE.
3.) Select CHANNEL 00.
Press and hold the UP ARROW or DOWN ARROW key until CHANNEL 00 is on
the display.
or press the CHNL button and then type in 00 from the keypad
4.) Press and release the FREQ key.
5.) Press and release the ENTER key.
6.) Using the FSM tool, insert the tool into the LINE jack. Engage the FSM switch inside
the jack AND HOLD THE SWITCH IN THE ENGAGED POSITION FOR AT LEAST 3
SECONDS. Then release the switch.
7.) Depress this switch with the tool once again, to dis-engage the switch and return the unit
to FULL PROGRAMMING MODE.
8.) Observe the display, you will see the frequencies being erased, from 00 through 99.
9.) Turn the Citation OFF via the POWER switch.
10.) Turn the Citation ON via the POWER switch.
All the channels will now be erased.
NOTE: MAKE SURE YOU HAVE A WRITTEN COPY OF ALL YOUR FREQUENCY
INFORMATION BEFORE CLEARING THE MEMORY OF THE CITATION 20. THIS
PROCESS IS NON-REVERSIBLE.
NOTE: YOU CAN ERASE THE MEMORY FROM ANY CHANNEL NUMBER THROUGH
NUMBER 99 BY SELECTING ITS CHANNEL NUMBER INSTEAD OF 00 (step 3 above).
As an example - you have channel numbers 00-12 programmed with frequencies you
wish to keep. Channel 13, 20, 39, and 80 have information stored in them that you don NOT
need. Simply select channel '13' when you reach step 3 in the directions. The memory will
be cleared from channel 13 through 99, leaving the information in 00 through 12 intact.
You can NOT individually clear a specific channel, or an interior range of frequencies.
The range must go from a channel (with 00 being the lowest) through to 99.
ADD THE ANTENNA
Select either the Internal Antenna or the use of an External Antenna
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.
4.) Select the operation for the DSP switch (DIGITAL SIGNAL PROCESSOR FILTER - or the
Adaptive Digital Audio Filter)
This switch toggles the Citation's Digital Signal Processor Filter operation between three settings:
OFF, 14dB of digital filtering (max. filtering), and 8dB of digital filtering (minimal filtering).
Each time you press the switch, the LED indicator cycles color from OFF to RED to YELLOW.
When the LED is OFF, the filter is off. When the LED is RED, the filter is in the MINIMAL
FILTERING or 8dB setting. When the LED is YELLOW, the filter is in the MAXIMUM
FILTERING or 14 dB setting.
This filter can eliminate unwanted backgrounds noise. By using its internal algorithms,
the filter detects repeating noises such as receiver white noise, background rumble, etc., and filters
them out. The filter processes are NOT recorded by the on-board recorder, however. This retains
the integrity of the original reception from the receiver. The filter can be used 'live' during receiver
reception, as well as during playback of a prerecorded tape. You should experiment with this filter
to see what settings you should use to best fulfill your needs.
5.) Adjust the VOLUME control to the center position. Alter the volume to operator preference
once transmission has begun.
6.) Adjust the SQUELCH control fully to the counter-clockwise position. The noise you hear
coming from the audio system is called "White Noise". Turn the squelch control clockwise until
this white noise just disappears and the audio system is quiet. This is called the "Critical Squelch"
point. Critical Squelch is the optimum point of squelch for the system. Squelch may then be
adjusted to the operators preference at any time by turning the control clockwise to increase, or
counter-clockwise to decrease the amount of squelch in the circuit.
7.) If receiving transmissions from a scrambled TACTICAL TECHNOLOGIES INC transmitter or
repeater, set the SCR switch to ON (corresponding LED is ON). If the transmission is not
scrambled, set this switch to OFF (LED is OFF).
8.) The Citation will now receive transmissions from your transmitter. Audio will be heard
through the internal speaker.
9.) If you prefer private listening, insert a male stereo phone jack from any stereo headphones or
earphone into the EAR jack. This will disconnect the external speaker. The volume control will
now control the audio level in your headphones.
RECORDING TRANSMISSIONS
1.) Complete the steps outlined above for Receiving Transmissions.
2.) Press the STOP/EJECT button to open the CASSETTE TAPE COMPARTMENT. Insert a
BULK ERASED blank cassette into the slot on the compartment lid so that the open edge of the
cassette faces up and the full reel of tape is toward the left. Close the cassette compartment lid.
NOTE: TACTICAL TECHNOLOGIES INC. RECOMMENDS USING A BULK ERASED TAPE ANY
TIME THE RECEIVER/RECORDING SYSTEM IS IN OPERATION. A BULK ERASED TAPE
ASSURES THAT THE CASSETTE BEING USED IN THE OPERATION IS CLEAN AND FREE OF
ANY UNWANTED PREVIOUSLY RECORDED MATERIAL, AND WILL ASSIST IN ACHIEVING
THE OPTIMUM QUALITY IN RECORDING OPERATIONS. RECORDING QUALITY WILL VARY
HOWEVER DUE TO TRANSMISSION AND RECEPTION CONDITIONS.
3.) Set the TAPE SELECTOR SWITCH found on the left side of the recorder to match with the
type of cassette being used. This selects the proper bias and internal recorder equalization to suit
the most common types of cassette tapes.
NORM
CrO2
METAL
normal ferric oxide tapes
chromium dioxide and other tapes requiring 70ms EQ and high bias
metal tapes.
4.) Set the RECORD LEVEL MODE SELECT SWITCH on the front panel of the recorder to
the "ALC" position.
5.) Set the TAPE SPEED SELECT SWITCH on the front panel of the recorder to either the
"LOW" or "STANDARD" position. "STANDARD" position will set tape speed to 1 7/8 IPS and
will give you 45 minutes of recording time per side from a C-90 cassette tape. The "LOW"
position slows down the tape speed to 15/16 IPS and will provide 90 minutes of recording time per
side from a C-90 tape.
NOTE: QUALITY OF THE RECORDING MAY DETERIORATE BY USING THE "LOW" TAPE
SPEED POSITION.
NOTE: DO NOT CHANGE THE SPEED SELECT SWITCH DURING RECORDING!
6.) The switch settings on the right side of the Marantz Recorder should be set as follows:
a.) INPUT SOURCE :
Line
b.) AUTO NOISE CANCELLING - ANC:
Normal
c.) INTERNAL MIC ATTENUATION:
Any position
7.) If a Marantz 221 is installed in your Citation, the MONITOR SWITCH found on the front of
the Marantz may be placed in the SOURCE position to monitor the receiver before it is recorded,
or the TAPE position to monitor the signal actually recorded on the tape. When the Monitor
switch is set to SOURCE, howling may occur. At that time, lower the monitoring volume.
8.) On the Marantz 221, with the MEMORY REWIND SWITCH set to the ON position, the tape
travel stops when the TAPE COUNTER reaches "999". Reset the tape counter via the button
found next to the counter.
9.) Press the RECORD and PLAY buttons on the cassette deck simultaneously.
10.) Your Citation will now record all transmissions from your transmitter.
11.) No record level adjustment is required as long as the REC MODE control on the front panel
of the recorder is set to the "ALC" position. Manual operation of the record level is possible by
selecting either the "LIMITER" or the "MANUAL" positions.
MANUAL RECORDING LEVEL OPERATION: This mode of operation will
permit manual control of the recording level for maximum dynamic range. Set the
REC MODE control to the "MANUAL" position. During operation, adjust the
MANUAL RECORD LEVEL CONTROL KNOB while watching the VU METER
found on the front panel of the recorder. Ordinarily, the VU meter needle deflection
should be as large as possible. If the VU meter needle stays on the right side of the
scale, the level is too high and results in distorted sound. Conversely, if the VU meter
needle stays on the left side of the scale, the level is too low and a poor signal to noise
ratio will result.
LIMITER RECORDING LEVEL OPERATION: This mode allows manual setting
of the recording level while an internal limiter circuit automatically prevents overload
distortion resulting from sudden level peaks. Set the REC MODE control to the
"LIMITER" position after setting the recording level desired with the control placed in
the "MANUAL" position. See section on "MANUAL RECORDING LEVEL
OPERATION" for proper procedures.
NOTE: TACTICAL TECHNOLOGIES SUGGESTS THAT ALL RECORDINGS BE
MADE WITH THE "REC MODE" CONTROL PLACED IN THE "ALC" POSITION.
12.) Use the PAUSE key on the cassette deck to temporarily stop the recording. Press it again to
resume recording.
13.) To end the recording session, press the STOP/EJECT button on the tape deck.
14.) If the Citation is equipped with the optional Marantz PMD-650 Mini-Disk Digital tape deck,
see the PMD-650 operator's manual for detailed instructions on how to make recording with this
system.
PLAYBACK OF PRERECORDED TAPE
1.) Press the STOP/EJECT button on the cassette deck to open the cassette compartment lid.
Insert a prerecorded tape into the slot on the compartment lid so that the open edge of the cassette
faces up. Close the cassette holding compartment lid on the deck.
NOTE: Be sure to check the setting of the TAPE SELECTOR switch on the left side of the
recorder and compare it to the type of cassette you are using.
2.) Set the RECD/PLAY switch to the "RECORDER PLAYBACK" position (LED is RED).
3.) Set the VOLUME control to the center position.
4.) Set the operation of the DSP system.
5.) Press the PLAY button on the cassette deck.
6.) Your Citation will now play back any prerecorded tape through the internal speaker.
7.) Adjust the volume control to operator preference once playback has begun.
8.) If you prefer private listening, insert the male stereo phone jack from any headphones or
earphone into the EAR jack on the Citation's control panel. This will disconnect the external
speaker. The volume control will now control the audio level in your headphones.
NOTE: The Headphones jack on the front panel of the recorder may also be used for private
listening of a prerecorded tape through any stereo headphones. To adjust the volume through this
10
connection, use the LEVEL control on the front panel of the recorder.
9.) Press the STOP/EJECT button to stop the tape.
10.) To scan the tape to find a particular selection, use the CUE/FAST FORWARD to fast
forward, and the REVIEW/REWIND buttons to rewind the tape. Press the STOP/EJECT button
to end fast forward or rewind.
11.) The tape deck is equipped with a tape search feature that allows you to scan sections of the
tape while the deck is in the play mode by partially depressing either the FAST-F or REWIND
buttons. You will hear a loud high-pitched squeal through the audio source if the tape has any
thing recorded on it. When the tape reaches a blank section, the squeal stops.
NOTE: TAKE CAUTION IF USING A HEADSET WHILE OPERATING THE TAPE SEARCH
FEATURE - MAKE SURE TO ADJUST THE VOLUME DOWN BEFORE PROCEEDING.
12.) The PITCH control found on the front panel of the recorder operates only during playback.
This control is used to slightly vary tape speed, thus altering the sound of the prerecorded tape.
Normal speed is indicated when the PITCH control is set to the center (click) position.
OTHER FEATURES OF THE TAPE DECK
1.) The cassette recorder comes with a tape counter to mark the location of a specific section of
tape. Press the reset button on the right to set the counter to 000 at the beginning of the tape.
Then, as the tape plays or records, note the counter reading at the point(s) to which you want to
return.
2.) NOTE: IT IS ADVISABLE TO USE A BULK TAPE ERASER TO INSURE PROPER AND
COMPLETE ERASING OF ANY AND ALL TAPES PRIOR TO THEIR USE IN THE CITATION.
3.) Cassettes have a built-in device to automatically prevent erasure of a tape by recording over it.
THIS PROTECTION DEVICE, HOWEVER, DOES NOT PREVENT ERASURE USING A BULK
TAPE ERASER. The cassette has two small plastic tabs on the back edge. If you break off the
Side A tab, you cannot record on Side A. There is a separate tab for Side B. If, however, you later
want to record on a side after you have removed the tab, cover the tab hole with a piece of plastic
adhesive tape. CAUTION: Never try to force the RECORD key down if you have removed the
tab for that side. You can damage the tape mechanism.
4.) Dirt or particles of the tape coating can accumulate on the tape heads and the other parts that
the tape touches as it moves. This material can greatly reduce the performance of your unit, so you
should clean these parts after every 10 hours of operation.
a.) Disconnect any external power source that is connected to the Citation, and
make sure the PWR switch is in the "OFF" position.
b.) Press the STOP/EJECT button to open the cassette compartment door.
c.) Press the PLAY key. The tape head/motion assembly moves forward into
view. Use a cotton swab dipped in tape head cleaning fluid or denatured alcohol
to clean the parts. Clean both the tape heads, the rubber rolling wheels, and the
capstan pin along the rubber wheel. NOTE: Never touch the front surface of
either of the tape heads with any metallic object.
5.) Tape heads and guides also become magnetized over a period of time and should be
11
demagnetized periodically using a commercial head demagnetizer.
NOTE: PLEASE REFER TO THE OPERATOR'S MANUAL FOR THE MARANTZ RECORDER
FOR FURTHER INFORMATION
REMOVING THE TAPE DECK FOR EXTERNAL USE
The Marantz tape recorder can easily be removed from the Citation 20, allowing it to be used in a
variety of other recording needs. It is held down to the control panel via four brackets, one on
each side and two in the rear. (For the PDM-650, there are 3 brackets, one on each side and one in
the rear).
TO REMOVE THE RECORDER...
1.) Turn the Citation 20's POWER switch OFF.
2.) Disconnect the three cables leading to the Marantz from the Citation's control panel:
a.) RECORDER POWER CABLE connected to recorder's POWER INPUT JACK.
When this cable is removed from the recorder, it must be inserted into the RECORDER
POWER CABLE HOLDER grommet .
b.) IN cable connected to LINE IN JACK .
c.) OUT cable connected to LINE OUT JACK .
3.) Completely loosen the two screws found on each of the two side brackets attached to the
HOLD DOWN PEGS on the recorder. Turn the screws counter-clockwise to remove them from
the control panel, but do NOT remove the screws from the brackets.
4.) Remove the brackets from the recorder by lifting them up slightly, then sliding them off the
PEGS.
5.) Gently slide recorder towards the front of the Citation. This will release the two rear hold
down brackets which were inserted into the RETAINER SLOTS . Do not loosen or remove these
brackets from the control panel. (For the PMD-650, this single bracket goes over the top of the
recorder).
7.) Once the recorder has cleared the rear brackets, lift the unit off the control panel.
TO REPLACE THE RECORDER:
1.) Align the rear hold down brackets with the RETAINER SLOTS in the recorder and gently slide
the tape deck slots over the brackets. (For the PMD-650, slide the tapedeck underneath the
bracket.)
2.) Replace side brackets onto the recorder's HOLD DOWN PEGS, and screw brackets onto the
control panel. Make sure screws line up exactly with the holes in the panel BEFORE you attempt
to replace them. Cross threading these screws may cause damage that will not allow the recorder
to be held securely to the control panel. Use a small screw driver to tighten the screws down
snugly to the control panel.
3.) Replace all cables into their correct jacks on the recorder.
USING THE TWO "DIGITAL AUDIO CONTROL"
ADJUSTMENTS
12
These controls peak and/or notch higher and lower audio frequencies so that you may tailor the
audio you hear from the receiver or the playback of a prerecorded tape to suit your listening.
These digital controls act like a two-band equalizer, and effectively only contour the frequencies
that are of the utmost importance in the band of audio frequencies that are utilized by human
speech. They are also optimized to be functional within the narrowed audio bandwidth of the
NITA-102 standard.
To FLATTEN out the audio response from the DAC adjustments, and remove any peaks or notches
in the audio frequencies, push the RIGHT and/or LEFT ARROW switches until both the top and
bottom row of LED indicators are in the CENTER POSITION. To PEAK the upper frequency,
repeatedly push the RIGHT ARROW switch on the TOP control and move the LED indicator to
the right of the center position . To NOTCH the upper frequency, use the LEFT ARROW on the
TOP control and move the LED indicator to the left of the center position. Repeat this procedure
to PEAK or NOTCH the lower frequency.
LINE OUT
The female RCA/Phone type LINE out jack gives an additional line level output from the receiver
for use with an external tape recorder, external audio amplifier, equalizer, etc.
RSSI /BATTERY STRENGTH INDICATOR
The BAT/RSSI (RSSI/BATTERY STRENGTH) switch and indicator located to the right of the
keypad, can supply the user with an RSSI reading (Received Signal Strength Indicator) from an
operating transmitter, or it can show the condition of the internal battery inside the Citation.
TO MEASURE RSSI.....
1.) Tune the receiver to the operating frequency of a active transmitter.
2.) Push the BAT/RSSI button until the LED indicator is RED.
3.) The LED METER above the indicator and to the right of the LCD Display will change in
color (Red is weakest, Yellow is mid, and Green in the highest quality) and increase in height
the stronger the incoming signal is. The weaker the signal, the lower the meter reading will
be.
Meter Reading Examples:
Meter @ MID RED
Usable signal - may be slightly noisy.
Meter @ BOTTOM YELLOW Incoming signal should open the receiver at critical squelch point.
Signal is approximately 0.2 microvolts.
Meter @ MID GREEN
Incoming signal should open the receiver at its full
squelch point
(control set fully clockwise). Signal is approximately
1.0 microvolts.
The purpose of the RSSI meter is to give a visual indication of how to achieve better reception via
receiver antenna configuration and placement. In order to improve signal reception:
a.) When using the Internal Antenna, rotate the Citation in a circular pattern to increase the
13
received signal to its best point.
b.) With an External Antenna, physically move the antenna's placement. If the antenna is
installed on a vehicle, move the entire vehicle to achieve better RSSI.
It is important to remember that ANY increase in the meter reading, no matter how little, will be a
marked improvement in signal strength. The majority of movement in the meter during the course
of a normal operation will be between 0.5 and 3 on the meter scale. That relates to approximately
a 1 microvolt swing in reception. And every 1/10 of a microvolt increase in signal is a significant
improvement. While it is true that the better the signal the more the needle will move toward the
right of the scale, the needle does not have to move very far to the right to reflect a change in a
signal from one that is "in the mud" and unusable to one that is intelligible, and then to one that is
crystal clear.
TO MEASURE THE INTERNAL BATTERY CONDITION....
Press the BAT/RSSI switch until the LED indicator is YELLOW. The meter scale reflects the
following information:
METER READS..
BATTERY VOLTAGE IS..
DESCRIPTION
Bottom RED
Less that 9.7 VDC Unit in Shut Down Mode
TOP RED 9.7 to 11.5 VDC
Low Battery Condition
YELLOW 11.5 to 13.8 VDC
Normal Operating Range
GREEN 13.8 to 14.4 VDC
Full Charge
CHARGING and CARING FOR
THE INTERNAL BATTERY
The Citation 20's internal battery is charging whenever the unit is connected to 110 VAC. The unit
will charge with the POWER switch ON or OFF. If the Citation's POWER switch is ON and the
unit is operating, the battery will charge at a slower rate than if the POWER switch is OFF.
The Citation 20 WILL NOT charge during external 12 VDC operation.
Low battery condition is indicated on the Citation 20 via the RSSI/Battery Condition meter. The
meter will read in the RED LED SEGMENTS - or towards the BOTTOM YELLOW SEGMENTS
(See the section on the RSSI/Battery Meter for complete meter operating instructions). Once the
BAR GRAPH LED begins to turn to the bottom Yellow segments, plan to change your power
source to either external 12 VDC or 110 VAC to ensure non-interrupted operation. A fully
charged battery will supply an average operating time of 6 hours. Operating time will vary due to
the length of time the recorder is in operation.
Once the unit enters a low battery condition, it will continue to operate for at least one hour - then
the Citation 20 will shut off completely.
The internal battery must be fully charged immediately once the unit has either entered the low
battery condition, or if the unit has shut down due to the battery being fully depleted.
NOTE: IF THE CITATION 20 REACHES THE "SHUT DOWN" POINT, IMMEDIATELY PLUG
THE UNIT INTO 110 VAC, TURN THE POWER SWITCH OFF, AND RECHARGE THE
BATTERY. IF THE POWER SWITCH STAYS IN THE ON POSITION AND THE CITATION 20 IS
14
NOT CONNECTED TO 110 VAC, THE UNIT WILL CONTINUE ATTEMPTING TO DRAW A
SMALL AMOUNT OF CURRENT OFF THE INTERNAL BATTERY, EVEN THOUGH THE
RECEIVER WILL BE NONOPERATIONAL. THIS MAY PERMANENTLY DAMAGE THE
INTERNAL BATTERY AND WILL VOID THE UNIT'S WARRANTY.
The internal battery should also be "cycled" at a minimum of once every month. Cycle the battery
by allowing the Citation to operate until the BATTERY LED BAR GRAPH begins to turn RED,
indicating that the battery is low. Then charge the battery for a minimum of 10 hours. By cycling
the battery, you will insure proper operation and increase the battery life.
NOTE: DO NOT CHARGE THE INTERNAL BATTERIES IN THE CITATION 20 FOR
MORE THAN 24 HOURS DURING EACH CHARGE CYCLE. CHARGING FOR LONGER
THAN 24 HOURS MAY CAUSE DAMAGE TO THE INTERNAL BATTERY.
THE LAMP AND LCD BUTTONS
The LCD button controls the internal light on the LCD display. This switch toggles the internal
light ON or OFF.
The LAMP bottom controls the illumination of all the other LED's on the panel. This switch
toggles all the panel LEDs (including the Bar Graphs) ON or OFF. The only exception to this is
the LED inside the POWER switch. The LAMP switch toggles this LED between VERY BRIGHT
and VERY DIM.
OPERATING NOTES:
1.) Keep the Citation dry. If it does get wet, wipe it dry immediately. Liquids might contain
minerals that can corrode the electronic circuits and cause extensive damage.
2.) Handle the Citation with care. Dropping the unit may damage circuit boards, the recorder, and
the case, rendering the unit inoperable.
3.) It is advisable under extended storage conditions that the Citation's internal battery be allowed
to fully discharge down to the low battery indication and then be immediately fully recharged
before the Citation is stored again. This procedure should be carried out once every month.
Following this system will allow the battery to completely cycle, thus lengthening battery life.
The life of the battery may shorten if the Citation is stored for an extended period of time without
use. Do not charge the battery for more than 24 hours per charge cycle.
4.) Be sure to install the mag-mount antenna base on a metal object when in use. This will allow
for proper operation of the antenna system, giving the operator the best possible performance from
the receiver.
5.) There are no user-serviceable parts in the Citation. If for some reason the unit needs service,
please return it to the factory.
6.) In cassette recording, the type and brands of cassettes you use have a great influence on the
quality of your recordings. Therefore, it is advantageous to purchase the highest quality cassettes
available. Chromium dioxide (CrO2) and metal tapes generally provide better fidelity than normal
ferric oxide tapes.
15
--------------------------------NOTE:
This manual contains excerpts taken directly from the Marantz Model PMD 201/221 Owner's
Manual.
16
17
Tactical Technologies Inc
1701 Second Ave
PO Box 91
Folsom, Pennsylvania 19033
USA
TEL: 610-522-0106
FAX: 610-522-9430
18

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