Midland Radio SM3450U2 SM-3450 Mobile Radio User Manual 2000301 FCC

Midland Radio Corporation SM-3450 Mobile Radio 2000301 FCC

Manual

COMPANY NAME: TOPAZ3, L.L.C.. EUT: SM-3450 MOBILE RADIO CLIENT REFERENCE NUMBER: QRTL00-316 WORK ORDER NUMBER: 2000301 FCC ID: O7KSM3450U2 Page 56 of 56 23 MANUAL
Mobile RadioSM-3000
SM-3000 OperationChannel Monitoring In accordance with the FCC Rules, while operating, the channel must be monitored prior to transmitting,.Your Maxon Dealer will be able to assist with particular operational parameters and procedures for thevarious functions.Power On – Volume – Power Off Turn the radio on by rotating the off/on – volume control clockwise. You will hear a click and the radio’salert tones. Increase the radio volume by continuing the clockwise rotation. To return the radio off, rotatethe control counter-clockwise to detent.Transmitting1) It is necessary to monitor the channel for activity before a transmission. Monitor by pressing themonitor button or observing the TX/Call indicator for a solid yellow or green color. If solid yellow orgreen is observed, you must wait for the indication to leave before a transmission can be made.2) Press and hold the P-T-T button on the front of the microphone unit. Hold the microphone unit 1 to 2inches from your mouth, speak clearly and distinctly into the microphone area of the front.3) Release the P-T-T nutton as soon as the message is complete. The P-T-T button must be pressedcontimuously while speaking.Receiving1) When a message is received, the TX?Call indicator will glow solid yellow or green(depending ifCTCSS or DCS tone has been programmed).2) Respond to a message by pressing the P-T-T button on the front of the microphone unit. Press the P-T-T continuously while talking and release to listen. If scanning modes are enabled, be sure to respondbefore scanning resumes. If you do not, another call may be received and the selected channel mayhave to changed. Scanning is indicated by solid yellow Scan indicator. Refer to “Scan Modes” sectionfor more information.Monitor Button1) Monitor : Pressing and holding the monitor button will open the squelch of the radio, defeating theCTCSS/DCS tone squelch and allowing you to listen for channel activity.2) Nuisance Delete : This function will allow you to temporarily delete an unwanted channel from thescan list. Nuisance delete can be activated only when receiving the unwanted channel. Turning the unitoff and on will return the unit to the original scan list.Status Indicators and Audible Alert Tones Your Radio has a sophsticated microprocessor control which provides a series of audible alert tones.DESCRIPTION LED MESSAGE or COLOR AUDIBLE TONEPower On - Ready “88” and Red, All Five BeepsCorrect Call Green N/ATransmit Red N/ABusy Yellow N/AIn Scan Mode Scan N/AIn Pscan Mode Pscan N/ABusy Channel Lock Out “ bL ”Single BeepTime-Out-Timer “ to ”Single Beep
Penalty “ Pt ”Three BeepsEeprom Error “ Er ”Single BeepKey Accept N/A Single BeepOut of Lock Error “ UL ”Two BeepsScan Delete “ _d ”Single BeepScan All Delete “ Ad ”Two BeepsTransmit Inhibit In Scanning “ _H ”Two BeepsReceive Only In Scanning “ rO ”Two BeepsEditing Group Scan List You can edit your pre-programmed Group Scan List by adding or deleting scan list from the Group ScanList. To activate scan list editing, press and hold the scan button on the front of the radio and turn volumeon the radio. Upon entering the scan list edit function, the LED will indicate the “ SE ” message. To exitthe scan list edit function, turn volume off the radio.Select the Scan Group The radio will display the Scan Group Number by “ Cx ”. You can change the Scan Group Number byup or down button. To activate scan list editing for selected group, press the scan button.Adding or Deleting to Scan List The radio will display the channel number by flash or static. To add or delete this channel from the scanlist, press the monitor button. When added, the channel number will display by flash. When deleted, thechannel number will display by static.Editing Priority Channel You can edit your pre-programmed Priority Channel. To activate priority channel editing, press and holdthe pscan button on the front of the radio and turn volume on the radio. Upon entering the priority channeledit function, the LED will indicate the “ PE ” message. The radio will display the priority channel number by flash. You can change the channel number by upor down button. To activate priority channel for selected channel, press the monitor button.Scanning The radio can be programmed for one of four diffent scan type, as determined by your dealer. Once the radio has enabled the scan mode, it will traverse through the pre-programmed Scan List. Thetime spent on receiving on receiving a channel in the scan list is referred to as the Scan Speed. The radiowill wait on the carrier detected channel for the Scan Speed Time in order to decode the signaling scheme.When an incoming call is detected and decoded, scanning stops and the radio enters the Un-Muted RxMode. After the call has ended, the radio enters the Scan Wait Mode for a pre-programmed period of time.This is referred to as the Scan Wait Time. This allows the user time to respond to the call (if the call isvalid) before the Scan Wait Time expires. The radio then re-enters the Scan Wait Mode and Scan WaitTime is reset. Once the Scan Wait Time has expires, the radio will resume scanning.1) Normal Scan TXRX : The radio only receives calls from channels in the selected group scan list.TX : The radio will transmit on the priority channel if a call is not received. If a scanned call isreceived, the radio will transmit on that scanned channel until scanning resumes. If transmission isattempted when the radio have not priority channel, an alert will sound.2) RX Only/No TX
RX : The radio will only receive calls on the channels in the selected group scan listTX : No transmissions are allowed. If transmission is attempted, an alert will sound.3) Priority Scan TXRX : The radio will receive calls from channels in the selected group scan list.TX : All transmisions will be made on the programmed priority channel. Transmissions can also bemade only on those scanned calls which have been received before scanning rewsumes.4) Priority Only TXRX : The radio will receive calls from channels in the selected group scan list.TX : All transmissions will be made on the programmed priority channel. No transmissions will beallowd on scanned calls.Nuisance Delete If a channel contained in the scan list is constantly being scanned because of unwanted “chatter”, youcan temporarily delete the channel from your scan list by pressing the monitor button. Nuisance deletecan only be initiated when scan is active and the radio has finished receving the call on the channel to bedeleted. Nuisance delete can be activated for all channels by turning scan off.Radio Option Parameters1) Tx Time-Out Timer(Default:10s Range:0-990s Increment:10s)This timer prevents the user from transmitting for extended periods of time, which may damage theradio. An audible alert is emmited 5 seconds prior to transmission termination. If the user attemptslonger than the Time-Out Timer, the radio provides a Time-Out Timer Alert and will ceasetransmission.2) Tx Inhibit Time(Default:5s Range:0-75s Increment:5s)The Tx Inhibit features may be used in conjunction with the Time-Out Timer. The Tx Inhibit featureprevents the user from transmitting again for a period of time after the Time-Out Timer expires. If theuser attempts to tansmit before the Tx Inhibit Time expires, a Transmit Not Available alert is given.Once the Tx Inhibit Time expires, an alert is given.3) Scan Speed Time(Default:300ms Range:0-2s Increment:10ms)This is amount of time spent on receiving a channel in the Scan List. The radio will wait on a channelto check for valid tone.4) Scan Wait Time(Default:1s Range:0-15s Increment:1s)The Scan Wait Time is the mount of time after a call has been completed or a transmission is enabledbefore radio resumes scanning.5) Look Back Time(Default:1s Range:0-7s Increment:1s)The priority Look Back Time determines how open the priority channel is monitored.6) ANI Before TxThe radio supports an ANI option. Upon pressing the PTT, the radio transmits up to 16 DTMF tones atthe beginning of the voice transmission. The radio ceases transmission after the pre-programmed ANIDelay. The ANI Digit Time allows the radio to be programmed so that each DTMF digit lasts for aduration of 55ms or 65ms, and there is a ANI Interdigit Time of 50ms.
7) Power Up BeepUpon power up, the radio emits a 50ms long, 2000Hz, 1600Hz, 1400Hz, 1200Hz, 900Hz tones or2,3,4,5,6 DTMFs.8) Busy Channel LockoutThese features are not to be defeated when scan is enabled.Enabled : Upon PTT being pressed, if carrier is present, the radio will not exit Muted Rx Mode to enterTx Mode. The Transmit Not Available alert is given.Disabled : Upon the PTT being pressed, the radio enters Tx Mode regardless of the presence of carrier.9) Marked IdleEnabled : If the Busy Channel Lockout is on, and carrier is detected, the radio is permitted to enter TxMode if the radio squelch option is valid.Disabled : Eliminates Marked Idle.Squelch Option1) No option (Carrier squelch)When tone option is not selected, the radio uses carrier squelch.2) CTCSS (Continuous Tone Controlled Squelch System)When this tone option is selected, the radio will use the CTCSS option. If Non-Standard option isselected, the PC programmer will allow Non Standard CTCSS tones to be programmed into the radio.3) DCS (Digital Coded Squelch)When this tone option is selected, the radio will use the DCS option. When Inverted tone option isselected, the radio inverts the DCS tones.
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