NX-220/ NX-320 VHF DIGITAL TRANSCEIVER/ UHF DIGITAL TRANSCEIVER INSTRUCTION MANUAL ÉMETTEUR-RÉCEPTEUR NUMÉRIQUE VHF/ ÉMETTEUR-RÉCEPTEUR NUMÉRIQUE UHF MODE D’EMPLOI TRANSCEPTOR DIGITAL VHF/ TRANSCEPTOR DIGITAL UHF MANUAL DE INSTRUCCIONES © B62-2292-00 (K) 09 08 07 06 05 04 03 02 01 00
NX-220/ NX-320 Instruction Manual ENGLISH VHF DIGITAL TRANSCEIVER/ UHF DIGITAL TRANSCEIVER
Thank You We are grateful you have chosen Kenwood for your land mobile radio applications. Notices to the User ◆ ◆ ◆ Government law prohibits the operation of unlicensed radio transmitters within the territories under government control. Illegal operation is punishable by fine and/or imprisonment. Refer service to qualified technicians only. Safety: It is important that the operator is aware of, and understands, hazards common to the operation of any transceiver.
ATTENTION: The RBRC Recycle seal found on Kenwood lithium-ion (Li-ion) battery packs indicates Kenwood’s voluntary participation in an industry program to collect and recycle Li-ion batteries after their operating life has expired. The RBRC program is an alternative to disposing Li-ion batteries with your regular refuse or in municipal waste streams, which is illegal in some areas. For information on Li-ion battery recycling in your area, call (toll free) 1-800-8-BATTERY (1-800-822-8837).
Terminal Descriptions Speaker/ Microphone Jacks You can use a resin-based cover for the Speaker/ Microphone jacks. No. Name Description Impedance I/O I 1 PTT/RXD PTT input / Serial data input 10 kΩ 2 MICI MIC input 1.8 kΩ I 3 MICO Output from internal MIC − O 4 OPTDET Option Detect 74 kΩ I 5 50V 5V output − O 6 AE Audio Earth GND − 7 TXD Serial data output 6.
One or more of the following statements may be applicable: FCC WARNING This equipment generates or uses radio frequency energy. Changes or modifications to this equipment may cause harmful interference unless the modifications are expressly approved in the instruction manual. The user could lose the authority to operate this equipment if an unauthorized change or modification is made.
Precautions • • • • • • • • • • • Do not charge the transceiver and battery pack when they are wet. Ensure that there are no metallic items located between the transceiver and the battery pack. Do not use options not specified by Kenwood. If the die-cast chassis or other transceiver part is damaged, do not touch the damaged parts. If a headset or headphone is connected to the transceiver, reduce the transceiver volume. Pay attention to the volume level when turning the squelch off.
• • • • • • • • • Do not disassemble or modify the transceiver for any reason. Do not place the transceiver on or near airbag equipment while the vehicle is running. When the airbag inflates, the transceiver may be ejected and strike the driver or passengers. Do not transmit while touching the antenna terminal or if any metallic parts are exposed from the antenna covering. Transmitting at such a time may result in a high-frequency burn.
Information concerning the battery pack The battery pack includes flammable objects such as organic solvent. Mishandling may cause the battery to rupture producing flames or extreme heat, deteriorate, or cause other forms of damage to the battery. Please observe the following prohibitive matters. • • • • • Do not disassemble or reconstruct battery! The battery pack has a safety function and protection circuit to avoid danger.
• • • • • • • Do not charge the battery near fires or under direct sunlight! If the battery’s protection circuit is damaged, the battery may charge at extreme current (or voltage) and an abnormal chemical reaction may occur. The battery may generate heat or smoke, rupture, or burst into flame.
• • • • • • Do not reverse-charge or reverse-connect the battery! The battery pack has positive and negative poles. If the battery pack does not smoothly connect with a charger or operating equipment, do not force it; check the polarity of the battery. If the battery pack is reverse-connected to the charger, it will be reverse-charged and an abnormal chemical reaction may occur. The battery may generate heat or smoke, rupture, or burst into flame.
CONTENTS UNPACKING AND CHECKING EQUIPMENT..................................... 1 PREPARATION.................................................................................... 2 ORIENTATION...................................................................................... 6 PROGRAMMABLE AUXILIARY FUNCTIONS................................... 10 BASIC OPERATIONS......................................................................... 12 SCAN.................................................................
PREPARATION Installing/ Removing the (Optional) Battery Pack 1 2 3 Match the guides of the battery pack with the grooves on the upper rear of the transceiver, then firmly press the battery pack in place. Lock the safety catch to prevent accidentally releasing the battery pack. To remove the battery pack, lift the safety catch, press the release latch, then pull the battery pack away from the transceiver.
Note: ◆ If you do not plan to use the transceiver for a long period, remove the batteries from the battery case. ◆ This battery case has been designed for transmitting at a power of approximately 1 W (the low power setting on your transceiver). If you want to transmit a stronger signal (using the high power setting on your transceiver), use an optional rechargeable battery pack. 1 To open the battery case, press on the two tabs on the upper rear of the case, then pull the two halls apart.
Installing the Belt Clip Note: When first installing the belt clip, you must remove the battery pack from the rear of the transceiver. 1 Remove the 2 screws from the rear of the transceiver, then remove the small, plastic black covering that was held in place. Insert the belt clip mount into the space on the rear of the transceiver. Using the 2 screws, affix the belt clip in place. 2 3 • • Plastic covering When the belt clip is not installed, leave the plastic covering in place.
2 While holding the cap in place, push it towards the bottom of the transceiver until the tabs on the cap click into place. • To remove the cap, hold the top of the cap in place with your finger while inserting a 3 mm or smaller flat blade screwdriver under the bottom of the cap. Slowly slide the screwdriver in until its tip touches the tab inside the cap, then gently pry the cap up (handle of screwdriver moving away from the transceiver) to remove the cap.
ORIENTATION There are 3 types available: Type I: Equipped with a display and full keypad. Type II: Equipped with a display and 4-key keypad (S, A, ). Type III: Basic models.
Type III Antenna Microphone Battery pack Speaker Transmit/ Receive/ Battery low indicator If enabled by your dealer, lights red while transmitting, green while receiving a call (Conventional channels only), and orange when receiving an optional signaling call. Blinks red when the battery power is low while transmitting. Selector knob Rotate to select a zone or channel/group ID (default). Power switch/ Volume control Rotate to turn the transceiver ON/OFF and to adjust the volume.
Side 2 key Press to activate its programmable function {page 10}. The default is Backlight. S, A, key Press to activate its programmable function {page 10}. S key: The default setting is [None] (no function). A key: The default setting is [None] (no function). key: The default setting is [Channel Up]. Keypad Press these keys to send DTMF tones.
Display Indicator Description Signal strength indicator {page 28}. Monitor or Squelch Off is activated. Blinks when an incoming call matches your Optional Signaling. Talk Around is activated. Scan is in progress. Blinks while scan is paused. A message is stored in memory. Blinks when a new message has arrived. The current channel is a Priority channel. The channel is using low transmit power. Scrambler/ Encryption is activated. Battery power indicator {page 27}.
PROGRAMMABLE AUXILIARY FUNCTIONS The Selector, Auxiliary (orange), Side 1, Side 2, S, A, keys can be programmed with the functions listed below. Please contact your dealer for further details on these functions.
• • • • 1 2 3 4 5 6 7 8 9 10 11 Telephone Disconnect 2 Transceiver Password 1 VOX 1 Zone Delete/Add • • • Zone Down Zone Select 5 Zone Up Available only for Type I, II. Available only for Analog Trunking operation. Available only for Type III. Available only for NXDN Trunking operation. Can be programmed only on the Selector. Available only for NXDN Conventional operation. Can be programmed only on the Auxiliary (orange) key. Available only for NXDN Conventional operation, and NXDN Trunking operation.
BASIC OPERATIONS Switching Power ON/OFF Turn the Power switch/ Volume control clockwise to switch the transceiver ON. Turn the Power switch/ Volume control counterclockwise fully to switch the transceiver OFF. ■ Transceiver Password If your transceiver is password protected, you must first enter the password before you can use the transceiver. 1 Rotate the Selector to select the first digit of the password. 2 Press the C> key to accept the entry and move to the next digit.
Transmitting 1 2 Select the desired zone and channel/group ID. Press the key programmed as [Monitor] or [Squelch Off] to check whether or not the channel is free. 3 Press the PTT switch and speak into the microphone. Release the PTT switch to receive. • • If the channel is busy, wait until it becomes free. For best sound quality, hold the transceiver approximately 1.5 inches (3 ~ 4 cm) from your mouth.
Receiving Select the desired zone and channel. If signaling has been programmed on the selected channel, you will hear a call only if the received signal matches your transceiver settings. Note: Signaling allows your transceiver to code your calls. This will prevent you from listening to unwanted calls. Refer to “Signaling” on page 24 for details.
SCAN Scan monitors for signals on the transceiver channels. While scanning, the transceiver checks for a signal on each channel and only stops if a signal is present. To begin scanning, press the key programmed as [Scan]. • • • The indicator on the display . The LED blinks green. When a signal is detected on a channel, Scan pauses at that channel. The transceiver will remain on the busy channel until the signal is no longer present, at which time Scan resumes.
Scan Revert The Scan Revert channel is the channel selected when you press the PTT switch to transmit during scan. Your dealer can program one of the following types of Scan Revert channels: • Selected: The last channel selected before scan. • Selected + Talkback: Same as “Selected”, plus you can respond to calls on the channel at which scan is paused. • Priority: The Priority channel. • Priority + Talkback: Same as “Priority”, plus you can respond to calls on the channel at which scan is paused.
FleetSync: ALPHANUMERIC 2-WAY PAGING FUNCTION FleetSync is an Alphanumeric 2-way Paging Function, and is a protocol owned by Kenwood Corporation. Note: This function is available only in analog operation. Selcall (Selective Calling) A Selcall is a voice call to a station or group of stations. ■ Transmitting 1 2 3 Select your desired zone and channel. Press the key programmed as [Selcall] or [Selcall + Status] to enter Selcall mode.
• Select “ALL” Fleet and “ALL” ID to make a call to all units (Broadcast call). Status Message You can send and receive 2-digit Status messages which may be decided in your talk group. Messages can contain up to 16 alphanumeric characters. Status messages range from 10 to 99 (80 ~ 99 are reserved for special messages). A maximum of 15 received messages (combined status messages and short messages) can be stored in the stack memory of your transceiver.
■ Receiving A calling ID or text message will appear when a Status call is received. Press any key to return to normal operation. ■ Reviewing Messages in the Stack Memory 1 Press the key programmed as [Stack], or press and hold the key programmed as [Selcall], [Status], or [Selcall + Status] to enter Stack mode. • 2 The last received message is displayed. Press the key to select the desired message.
TRUNKING CALLS (ANALOG) PLACING A DISPATCH CALL 1 2 3 Select the desired zone and group ID using the selector and the Zone or CH/GID keys. Press and hold the PTT switch. If the “PTT Proceed” tone sounds, communication is possible; start speaking into the microphone. Release the PTT switch to receive. • For best sound quality at the receiving station, hold the microphone approximately 1.5 inches (3 ~ 4 cm) from your mouth. • Your dealer can deactivate the Proceed PTT tone, if necessary.
4 When the called party responds, press the PTT switch and speak into the microphone. Release the PTT switch to receive. 5 To end the call, press and hold the PTT switch, then press the # key or the key programmed as [Telephone Disconnect]. • Only one person can speak at a time. RECEIVING A TELEPHONE CALL 1 When a telephone call is received, the transceiver will automatically change to the correct group ID and you will hear the call.
ADVANCED OPERATIONS DTMF (Dual Tone Multi Frequency) Calls ■ Making a DTMF Call Manual Dialing 1 Press and hold the PTT switch. 2 Enter the desired digits using the DTMF keypad. • • If you release the PTT switch, transmit mode will end even if the complete number has not been sent. If the Keypad Auto PTT function has been enabled by your dealer, you do not need to press the PTT switch to transmit; you can make the call simply pressing the DTMF keys.
code, the transceiver becomes disabled. The stun code is cancelled when the transceiver receives a call with a revive code. Emergency Calls If your transceiver has been programmed with the Emergency function, you can make emergency calls. 1 Press and hold the key programmed as [Emergency]. • • 2 Ask your dealer for the length of time necessary to hold this key before the transceiver enters Emergency mode.
n Activity Reset While Activity Detection is active, press the key programmed as [Activity Reset] to reset the Activity Detection countdown timer. This will allow you to remain in a tilted or stationary position, etc., without the Emergency mode activating unnecessarily. Scrambler Press the key programmed as [Scrambler/ Encryption], to switch the transceiver to secure (encrypted) transmission. • Pressing the PTT switch after the Scrambler function has been turned ON encrypts the transmitted signal.
■ Radio Access Number (RAN) RAN is a new signaling system designed for digital radio communications. When a channel is set up with a RAN, squelch will only open when a call containing a matching RAN is received. If a call containing a different RAN is made on the same channel you are using, you will not hear the call. This allows you to ignore (not hear) calls from other parties who are using the same channel.
4 While adjusting the level, speak into the headset microphone to test the sensitivity level. (Your voice is not transmitted during this test procedure.) • 5 When sound is recognized, the LED lights orange. Press the S key to save the setting. ■ VOX Operation 1 2 3 Connect the headset to the transceiver. Press and hold the key programmed as [VOX] for 2 seconds. To transmit, simply speak into the microphone. • 4 5 The transceiver recognizes sound levels depending on the VOX Gain level.
BACKGROUND OPERATIONS Your dealer can activate a variety of transceiver functions to perform without any additional operation on your part. Time-out Timer (TOT) The Time-out Timer is used to prevent you from using a channel for an extended duration. If you continuously transmit for a preset time, the transceiver will stop transmitting and an alert tone will sound. Release the PTT switch. Battery Saver The Battery Saver can be activated only on Conventional channels.
Low Battery Warning Press the key programmed as [Battery Indicator]. The LED lights for 2 seconds, displaying the battery power remaining, as described in the table below. When the battery power is very low, recharge or replace the battery pack. Lights Green Lights Orange Lights Red Blinks Red High Sufficient Low Very low Signal Strength Indicator The signal strength indicator displays the strength of received calls. No icon appears when no signal is available.
Control Channel Hunt On digital Trunking channels, the transceiver automatically searches for a control channel. • While searching for a control channel, the antenna icon will flash and no signals can be received. PTT ID PTT ID is the transceiver unique ID code which is sent each time the PTT switch is pressed and/or released. Note: PTT ID can be made only in analog operation.
Radio Frequency Energy Safety Information This Kenwood transceiver has been tested and complies with the standards listed below, in regards to Radio Frequency (RF) energy and electromagnetic energy (EME) generated by the transceiver. • FCC RF exposure limits for Occupational Use Only . RF Exposure limits adopted by the FCC are generally • • • based on recommendations from the National Council on Radiation Protection and Measurements, & the American National Standards Institute.
