Kenwood TM-521E User Manual

144MHz FM TRANSCEIVERTM-221A TM-221ES220MHz FM TRANSCEIVERTM-321A430MHz FM TRANSCEIVERTM-421A TM-421 ES440MHz FM TRANSCEIVERTM-421 A1200MHz FM TRANSCE

0 SHIFT indicatorTurns on during repeater offset operations. See Section 4-6 REPEATER for additional information on this indicator,(D R

TM-221A/321A/421A/521A U.S.A. version only0and (2) UP/DWN (Up/Down) switchesThese switches are used to step the VFO frequency or Memory Chan

4-2-2. Frequency and Memory Channel SelectionThe desired operating frequency and the Memory Channel may be selected by using either

(With the TM-521E)1. Press the ALT key. The ALT indicator will turn on and the receiver will automatically center itself on the incoming signal

4-4-4. Memory Channel ContentsThe following data can be stored in each Memory Channel.ModelMemory Channel ContentsFrequencyTM-221ASHIFT status

4-5-3. Scan DirectionScanning begins in the direction that corresponds to the direction that the TUNING control was last turned, or

4-6-2. Offset DirectionTo select the desired transmitter offset direction press the SHIFT key. Each time you press the key the radio will adva

4-7. TONE FREQUENCY SELECTION(TM-221A/321A/421A/521A only)1. To select the Tone Frequency press the M.IN key and then the TONE key. The Disp

5. MAINTENANCE AND ADJUSTMENT5-1. GENERAL INFORMATIONYour transceiver has been factory aligned and tested to specification before shipment.

5-5. MICROPROCESSOR BACKUPLITHIUM BATTERY REPLACEMENTLithium battery replacement should be performed by an authorized KENWOOD service facili

Thank you for purchasing the new transceiver. This unit has been carefully engineered and manufactured to rigid quality standards,

6. OPTIONAL ACCESSORIESNote:-----------------------------------------------------------------------------Some optional accessories may not be av

6-3. OTHER ACCESSORIES PS-430 DC POWER SUPPLYMay be used with the TM-221/421/521 series and TM-321A for stable operation. SP-430 EXTERNAL SPE

MC-85 MICROPHONE (8-pin)The MC-85 is a unidirectional high-class electret condenser microphone provided with the output selective switch

SW-200A/200B SWR/POWER METER (supplied with a coupler)SW-200A supplied with SWC-1. SW-200B supplied with SWC-2. Selectable peak-reading/RMS.

7. BLOCK DIAGRAM AND CIRCUIT DIAGRAM7-1. BLOCK DIAGRAM7-1-1. TM-221 seriesNote:Block Diagram is subject to change without notice due to advancements i

7-1-4. TM-521 seriesNote:Block Diagram is subject to change without notice due to advancements in technology.25

8. REFERENCE8-1. ANTENNA8-1-1. Fixed StationVarious types of fixed station antennas are commercially available. Select your antenna accor

8-2. MOBILE INSTALLATION HINTS8-2-1. Noise ReductionIn motor vehicles, noise is generated by the ignition system. Other sources of noise

Model TM-221A/221ES/321A/421A/421ES/521A/521ESerial No. __________________________________________Date of Purchase___________________________________

KENWOOD

1. BEFORE OPERATIONSafety precautionsWarning:--------------------When operating this transceiver mobile, please drive safely.Never remove the

2. SPECIFICATIONS AND ACCESSORIES2-1. SPECIFICATIONSModelSpecificationsFrequency rangeTM-221A144 to 148 MHzTM-221ES144 to 146 MHzTM-321A220 to 225 MHz

2-2. ACCESSORIESPlease unpack your new transceiver carefully, and confirm that the accessories listed below are included in the box. I

3. INSTALLATION AND CONNECTIONWarning:------------------------------------------------------------------------Never apply AC power to the DC Po

3-2. CONNECTIONSCautions:---------------------------------------------1. Before connecting or disconnecting the DC Power Cable, be sure to tu

4. OPERATIONWarning:---------------------------------------------- ------------------------------------------------1. When operating this transceiver

1. Function KeysWith the TM-221A/321A/421A/521A0 (D0 0SHIFTREV 'SCANCTCSSTONE0 TONE keyActivates the tone circuit for repeater control. Th