JETStream jt270m User Manual
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JETStream jt270m User Manual

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  • Page 2 Notice Please use the transceiver in compliance with local regulations. A Note To Users Thank purchasing Mobile transceiver. We trust this transceiver will give you convenient and reliable communication for many years. For the best experience, we advise that you read this manual completely before using your new transceiver.

  • Page 3: Table Of Contents

    Contents Security Information ..........1 Accessories & Options..........2 Supplied Accessories..........2 Optional Accessories ..........2 Installation..............3 Connect Power ............3 Keeping the Transceiver Cool ........ 3 Install with Bracket ..........4 Connect Accessories..........4 Getting Acquainted............. 6 DTMF Microphone Panel .......... 8 LCD Display ............
  • Page 4 Key Beep (Beep): Menu 04........17 Channel Save (CHASave): Menu 05....17 DTMF Function (DTMF): Menu 06 ....18 Dual Watch (DW): Menu 07 ........ 23 Decode Type and Decode Code (Menus 08 and 09) ................23 Encode Type and Encode Code (Menus 10 and 11) ................
  • Page 5 ROGER(ROGER): Menu 32........ 35 REVERSE (REVERSE): Menu 33 ...... 35 Offset Frequency (RPT SET/RPT TYPE): Menus 34 and 35 .............. 35 Save Battery (SaveBat): Menu 36 ......37 Scan (SCAN): Menus 37, 38, and 39 ....37 Squelch Level (SQL): Menu 40 ......39 Step (Step): Menu 41..........
  • Page 6 Mute（MUTE） ..........45 Scan（SCAN） ........... 45 High/Low Power（LOW） ......... 45 Emergency（EMG）........... 45 V/M Mode Switch（V/M） ........ 45 DTMF Function（DTMF） ........ 46 Call（Call） ............46 Transmit 1750Hz（1750Hz） ......46 A/B Mode Switch（A/B） ........46 Talk Around（Talk）........... 46 Reverse Frequency（Reverse） ......46 Reset Menu...............

  • Page 7: Security Information

    Security Information To use this transceiver safely and efficiently, please read the following safety information. Refer service to qualified technicians only. Turn off the transceiver while refueling or while parked in a gasoline service station. Please turn off the transceiver where flammable gases or fumes may be present.

  • Page 8: Accessories & Options

    Turn off the power immediately if the transceiver emits peculiar odors or smoke and contact the nearest authorized dealer for service. Accessories & Options Welcome to your new mobile transceiver. Please unpack it carefully and ensure that the below accessories are included. If you find any missing or damaged components, please contact your dealer immediately.

  • Page 9: Installation

    Installation Connect Power This transceiver should be connected to a 13.8V DC power supply. It can not be connected directly to an AC outlet. Connect the transceiver to a regulated power supply with the supplied power cable. Do not replace the DC power cable with a thinner wire. The supplied cable is rated to meet the power requirements of the transceiver.

  • Page 10: Install With Bracket

    important that you install the transceiver using the supplied mounting bracket. If the transceiver is installed without providing for adequate air flow, the transceiver may overheat. If adequate air flow is not available, the transceiver will be damaged from overheating. Do not place books or other equipment directly on the transceiver.
  • Page 11 internal speaker is muted when an earphone or external speaker is connected to this jack Antenna: The SO-239 mount connection is on the left of the rear panel of the transceiver. The antenna system is composed of an antenna, feedline, and ground network components.

  • Page 12: Getting Acquainted

    Getting Acquainted Upper Panel Front Panel...
  • Page 13 Rear Panel 2, Indicator Light 1,Loudspeaker （Red light, green light） 3, MIC Connector (RJ45) 4,CHA+(Channel Up) 5, CHA-(Channel Down) 6, LCD display screen 7,VOL+(Volume Up) 8,VOL-(Volume Down) 10, P1 Key 9, Menu Key (User defined) 11, P2 Key 12, P3 Key (User defined) (User defined) 14,Antenna Connector...

  • Page 14: Dtmf Microphone Panel

    DTMF Microphone Panel...
  • Page 15 1, PTT Push to Talk 2, MIC Microphone 3, UP Up, VOL+ 4, DN Down, VOL- 5, A Call 6, B VFO/MR Switch 7, C A/B mode Switch 8, D VFO Band Change 9, # CHA+ 10, * CHA-...

  • Page 16: Lcd Display

    LCD Display Feature Icon Operation Method Description Memory Channel ---- Being A Channel Switch A/B Key Being B Channel Switch A/B Key Press M Key for 2 Keyboard Lockout Seconds VOX Open Refer to Menu 45...
  • Page 17 In VFO/MR mode： Decode Type and Decode Code refer DCS Open to Menu08 and 09, Encoded Type and Encoded Code refer to Menu 10 and 11 The same as above CT Open (DCS) Refer to Menu 34 Offset Frequency and 35 Wireless Refer to Page 44 Frequency Open...

  • Page 18: Front Panel Description

    Reverse Refer to Menu 33 Frequency Narrowband Refer to Menu 50 Refer to Menu 07 Dual Reception DTMF Refer to Menu 06 Displayed frequency value, channel names, menu items, and ---- other numbers, letters or symbols Information Front Panel Description Orient the transceiver with the front panel facing you.

  • Page 19: Basic Operation

    Basic Operation Power on/off Once power is connected, press the button to turn the transceiver on. Three ascending tones will sound, indicating that the transceiver has correctly powered on. Hold the key for 2 seconds to turn the transceiver off. Turn Volume Press “VOL+”...

  • Page 20: Transmitting And Receiving

    frequency in VFO mode. Hold the key to go fast 4) Input channel number by using the numeric keypad to select memory channel in MR mode. Note: This transceiver has a dual-watch function, you can switch between A and B channels using the “C” key (A/B switch key) on the microphone keypad.

  • Page 21: Function Menu Operation

    For best voice quality, hold the microphone about 2 IN (5 cm) away from your mouth and speak normally. A red LED indicates that the transmitter is active. Function Menu Operation To modify settings in the transceiver’s settings menu, follow these steps: Press the “M”...

  • Page 22: Auto Power Off(Apo): Menu 01

    Auto Power Off(APO): Menu 01 Auto Power Off will automatically turn the transceiver off after a set length of inactivity. This function is disabled (off) by default. The Auto Power Off interval can be set to 10 minutes, 20 minutes, 30 minutes, 40 minutes, 50 minutes, 60 minutes, 90 minutes, 2 hours, 4 hours, 6 hours, 8 hours, 10 hours, 12 hours, 14 hours, or 16 hours.

  • Page 23: Key Beep (Beep): Menu 04

    setting is OFF. Key Beep (Beep): Menu 04 This function determines whether pressing keys on the transceiver or DTMF microphone sound an audible confirmation beep when they are pressed. It can be set to “ON” or “OFF”. This feature is turned on by default.

  • Page 24: Dtmf Function (Dtmf): Menu 06

    press the “M” key again. Select the channel number you wish to program. The default is 001. Once you have selected the channel to program, press the “M” key again to confirm. DTMF Function (DTMF): Menu 06 DTMF (Dual Tone Multi Frequency), dual tone multi-frequency, consists of high-frequency group and low frequency group, each group contains four frequencies.
  • Page 25 it can neither be transmitted nor decoded. Enable Or Disable DTMF Signaling 1, In VFO / MR mode, select a frequency or memory channel to modify DTMF signaling. Alternatively, you can enable DTMF signaling in the programming software. Note: a), If the transceiver is in CH mode, you can not enable or disable DTMF signaling from the transceiver’s front panel.
  • Page 26 C, and D. The default transceiver individual call ID code is 1000. Group Call: Using a group call character in any part of a radio calling sequence will call all radios in a specific calling group. The only radios in the group that will not automatically respond to a group call are transceivers which are either set to selective call only or those which have receive or receive/transmit inhibit...
  • Page 27 Transceiver 80831 Group 3 Transceiver 80832 Group 3 Transceiver 80833 Group 3 Transceiver 80834 Group 3 Transceiver 80835 Group 3 Send the ID code: 80814 to call "Transceiver 4". Send the ID code: 80832 to call "Transceiver 7". Send the ID code: 8081C to call all transceivers in Subgroup 1.
  • Page 28 press UP / DOWN keys on the microphone or press “CHA+/CHA- or VOL+/VOL-”on the transceiver front panel to select. Slots 10-15 can only be selected by using the “UP/DOWN” buttons on the microphone or “CHA+/CHA-“ or “VOL+/VOL-“ keys on the transceiver front panel.

  • Page 29: Dual Watch (Dw): Menu 07

    Dual Watch (DW): Menu 07 This setting determines whether the dual watch feature is enabled or disabled. With dual watch enabled, the transceiver will monitor two frequencies periodically. Select Menu 07 to modify this function, which can be turned ON or OFF. The default is ON. Decode Type and Decode Code (Menus 08 and 09) Using Menus 08 and 09, you may determine what will open the receiver’s squelch.
  • Page 30 CTCSS: 56-254.1 Hz (58 groups), NDCS: 107 groups Normal DCS code. IDCS: 107 groups Invert DCS code. CTCSS standard frequency table (58 groups) 56.0 74.4 107.2 156.7 189.9 241.8 57.0 77.0 110.9 159.8 192.8 250.3 58.0 79.7 114.8 162.2 196.6 254.1 59.0 82.5...

  • Page 31: Encode Type And Encode Code (Menus 10 And 11)

    DCS Standard Code Table Encode Type and Encode Code (Menus 10 and 11) Similar to the settings for “Decode Type” and “Decode Code” above, using Menu 10, “EncType” and Menu 11”Enc code”, you may determine the CTCSS or DCS code that is used on a particular channel. You may need such a code in order to access a repeater system...

  • Page 32: Fm Radio Function(Fm): Menu 12

    or other radio users who have CTCSS or DCS squelch enabled. You may set Menu 10 as follows: OFF: Disable. The transmitted signal does not send any CTCSS or DCS codes. CTCSS: Transmit a specified CTCSS tone (one of 56 tones) NDCS: Transmit a specified normal DCS code (one of 107 codes).

  • Page 33: Fm Scan(Fm Scan）): Menu 13

    Open/Close FM Function You can set the P1, P2, or P3 key as the shortcut key to turn the FM radio on or off. With the FM radio turned on, use “CHA+/CHA-” keys to select a station, or enter the station’s frequency directly from the numeric keypad on the microphone.

  • Page 34: Fm Dualwatch (Fm Dw): Menu 15

    FM DualWatch (FM DW): Menu 13 The FM Dual Watch feature allows you to continue listening to an FM broadcast station at the same time as another signal from the transceiver is present. If this feature is disabled, a signal from the main transceiver will interrupt FM broadcast radio reception.

  • Page 35: Keypad Function(Keypad): Menu 18

    You can choose what controls are locked through Menu 17 as follows: KEY: Numeric and function keys, keys on the microphone and the front panel of transceiver, excluding the “M” key and the key. K + S: KEY + DIAL. Numeric +function keys + “CHA+/CHA-/VOL+/VOL- excluding the “M”...

  • Page 36: Setting Channel Names: (Name): Menus 20 /21/22

    KEY: Backlight is active only when a key is pressed. CONT: Backlight is always enabled. The default setting is CONT. Setting Channel Names: (Name): Menus 20 /21/22 Menu 20 determines whether the transceiver allowed the user-defined channel name displayed or not. If it is enable, all channel would display user-defined channel name, if it is disable, all user-defined channel name would not be displayed.

  • Page 37: Set Opening Display (Opendis): Menu 23

    “CHA+/CHA-/VOL+/VOL-” key to go fast. Edit Alias valid characters: ̀ ￥ │ → ← space " % & ’ < > Set Opening Display (OpenDIS): Menu 23 You can select what displays when the transceiver first powers on by using Menu 23. Choose from the following options: ALL: Boot displayed as full screen display.

  • Page 38: Custom Keys Set (P1-P3、M Key): Menus

    Custom Keys Set (P1-P3、M Key): Menus 24-29 You can define the shortcut function directly through software. Default of M short press is to enter the Menu. Default of shortcut keys: P1 Long Press: FM (FM radio) P1 Short Press: Time (Time display on screen) P2 Long Press: MOLO (Monitor Lock) P2 Short Press: Bandchange(Change band) P3 Long Press: SCAN (scan)

  • Page 39: High/Low Power Set (Power): Menu 30

    long press is not user defined, as it locks or unlocks keys and/or PTT. (See “Keylock”, Menu 17, for details. The default functions of the programmable keys are as follows: P1 Long Press: FM (FM transceiver) P1 Short Press: Time (Time display on screen) P2 Long Press: MOLO (Monitor Lock) Short Press:...
  • Page 40 specific transceiver. The PTT ID code is defined in the programming software; the default ID is “123”. You can also set whether PTT ID’s are spoken or displayed. If voice is selected, ID’s of up to five digits will be spoken. However, up to 14 digit ID’s can be displayed if voice ID’s are disabled.

  • Page 41: Roger(Roger): Menu 32

    ROGER(ROGER): Menu 32 The transceiver can send a “Roger beep” to mark the end of a transmission. Select Menu 32, and select “ON” to enable this feature, or “OFF” to disable it. The default setting is OFF. REVERSE (REVERSE): Menu 33 The Reverse feature can only be enabled if Offset Frequency and RPT Type, Menus 34 and 35, are also set.
  • Page 42 using the repeater with greater communication range than they would achieve alone. Setting these separate frequencies is accomplished by setting Menus 34 and 35. First, you will need to set the offset amount, which is the difference between the receive and transmit frequencies. The transceiver can accept offset values from 0.000 to 399.995 MHz.

  • Page 43: Save Battery (Savebat): Menu 36

    When using the programming software, you must specify both receive and transmit frequencies directly. Save Battery (SaveBat): Menu 36 Battery Save mode lowers current consumption by putting the receiver in a low power “sleep” mode periodically during quiet periods with no received signals.
  • Page 44 Note: Press any key except “UP”, “DOWN”, “CHA+/CHA-“, or “VOL+/VOL-“ to stop scanning. Scan Type: You may choose two different scanning modes: VFO frequency scan: All frequencies on the band will be scanned. In VFO mode, select Menu 37 and press M key to start scanning.

  • Page 45: Squelch Level (Sql): Menu 40

    disabled on a channel, that channel will be skipped during MR/CH scans. A channel’s scan status will be indicated on the transceiver’s display. MR/CH Scan is only available if two or more channels are programmed with Scan Add enabled. Scan is only effective if the squelch is closed. Squelch Level (SQL): Menu 40 The squelch circuit allows you to only hear desired signals.

  • Page 46: Tail Elimination (Tail): Menu 42

    Tail Elimination (Tail): Menu 42 The Tail elimination function eliminates the burst of background noise encountered at the end of a transmission. . Set Menu 42 to ON if you would like to enable this feature, or OFF to disable it. The default is ON.

  • Page 47: Tx Stop (Txstop): Menu 45

    TX Stop (TXStop): Menu 45 The TXStop function disables the transmitter when it is enabled. If TXStop is enabled, pressing the PTT key will issue an audible alert tone, indicating that you are unable to transmit. Select Menu 45, and set it to ON if you would like to enable this feature.

  • Page 48: Wide And Narrow Bandwidth Set (Widnar): Menu

    unkey too frequently. Delay can be set from 1 to 4 seconds; the default setting is 3 seconds. VXB (VOX inhibited when receiving): Set Menu 49 to ON if you do not want VOX active while the receiver is active. To avoid the receiver keying the VOX by mistake, it is probably a good idea to leave this setting at its default ON state.

  • Page 49: Off

    You may set any of the programmable keys to perform the following functions: If a shortcut key is disabled, it is not usable unless Wireless Change Frequency is enabled. Please refer to Page 44 for details. FM（FM） Setting a shortcut to FM toggles the FM broadcast radio on or off.

  • Page 50: Monitor Momentary（Moni

    Monitor Momentary（MONI） Setting a shortcut key to MONI will allow you to temporarily open the receiver squelch, in order to hear a weak signal that cannot break through at the current squelch setting. Pressing MONI will open the receiver’s squelch, and releasing will close it again. Note: MONI can only be set as Long press.

  • Page 51: Mute（Mute

    Mute（MUTE） When the Mute shortcut is enabled, pressing the Mute key will disable audio from the receiver’s speaker. Press the key again to unmute the speaker. Scan（SCAN） Pressing the LOW shortcut will toggle the power level between HIGH and LOW power. High/Low Power（LOW）...

  • Page 52: Dtmf Function（Dtmf

    DTMF Function（DTMF） The DTMF shortcut will turn DTMF Mode on or off. Call（Call） The CALL shortcut will toggle the CALL function on and off. Transmit 1750Hz（1750Hz） The 1750Hz shortcut will transmit a 1750Hz burst tone when pressed. A/B Mode Switch（A/B） The A/B shortcut will toggle between the A and B channel.

  • Page 53: Reset Menu

    Reset Menu All Reset All Reset resets the transceiver to all factory settings, leaving only the DTMF dial list untouched.) To perform an All Reset, press the key to turn the transceiver on. When the welcome screen is displayed, hold the M key for two seconds. The screen will display “Menu 0/ALL RES? ".

  • Page 54: Programming Operation

    “CHA+/CHA-“ or “VOL+/VOL-“ keys to select “Menu 1 FUN RES”. Press the M key again and the screen will display “RESET”. Press the M key a third time, and the screen will display “Waiting”. When the transceiver restarts, the reset is complete. Note: You may cancel the reset by pressing any key other than the “M”...

  • Page 55: Wireless Change Frequency

    Wireless Change Frequency Wireless Frequency Change is a feature that allows the transceivers to be programmed with new frequency information remotely. In other words, one master transceiver can program several deployed transceivers in the field by sending the appropriate commands over the air. Consider the following example: A team bought 10 transceivers.
  • Page 56 Frequency Change function. 3) The transceiver at the home office should be programmed as the “master” transceiver. It should also have a DTMF microphone. 4) The new channel should be programmed into one of the master transceiver’s 199 channels. For our example, we’ll program it into Channel 03.

  • Page 57: Rx Inhibit/Rxtx Inhibit

    acknowledge the remote transceivers are ready for programming. The master radio would then initiate the change using the instructions in Step 6 below. Once programming is complete, the icon “ ” will disappear. If it does not disappear, programming successful. Once programming successful, the remote users can switch to the newly...

  • Page 58: Setting Transmission Limits Per Minute

    neither receive nor transmit until the correct RX/TX Enable code is received. If you attempt to transmit while RX/TX Inhibit is in force, the transceiver will not indicate transmission, and it will produce an error tone. RX inhibit and RXTX inhibit And Reactivate Codes: These codes are up to 15 characters long, using 0-9, A-D, * and #.

  • Page 59: Maintenance

    Maintenance Base Knowledge This transceiver has been strictly and carefully calibrated and tested at the factory to ensure that it meets our stated specifications. Please refer any service issues to authorized repair facilities. Any tampering, user performed maintenance or adjustment of the transceiver will void your warranty.
  • Page 60 5) Please use only approved antennas. Unauthorized antennas or modified accessories could damage the transceiver or violate regulations governing RF devices. 6) Please back up all settings and programmed data from your transceiver before sending it in for repair. 7) If your transceiver is defective or develops a problem, please send it only to authorized service center.

  • Page 61: Specification

    Specification Band VHF/UHF Dual Band TX Frequency 400~470MHz/136~174MHz 400~520MHz/136~174MHz/ RX Frequency 200-260MHz/87.5-108MHz Channel Capacity Output Power 4W/10W Operation Mode Half-Duplex Dimension 120×90×40mm (L*W*H) Weight 315g Modulation ≤±5KHz Limitation Spurious Radiation 60dB TX Current 1A/1.8A Frequency Stability ±2.5PPM Rx Sensitivity <0.18µV Modulation Type ≥400mW Audio Power...

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