Power On Indicator LED The Power ON Indicator LED will illuminate in green whenever th e Power ONOFF switch is in the ON position. 14. Liquid Cryst al Display (LCD)) NOTE: When operating u nder extreme cold temperature conditions (below 0 deg C) allow a 30 minute warm up period for full display functionality.The Base T ech II Base Repeate r is comprised of sepa rate modules all housed within o ne 2RU equipment cabinet.The receiver, transmitter, and P A unit are each enclosed within their own di e-cast housing.
Midland Land Mobile Radio Full Display FunctionalityEach one is then mounted directly on the large upper he atsink. A micr oprocessor-controlled interf ace modul e controls the channel selection, LCD Display, timers, interfaces, and signaling feature s. The RF power output is 25 50 60 watt s or 50 100 1 10 watts on a continuous duty basis. Midland Land Mobile Radio Code And DAll tones and different encode and d ecode tones can be set on a per channe l basis during radio program ming. Attention The antenna(s) used for this transmitter must be fixed-mounted on outdoor permanent structures with a sep aration dist ance of at least 6 meters from all persons during normal operation. The peak conducted output power at each antenna terminal must not exceed 250 W att s and the peak radiated output power must not exceed 1000 W atts EIPR. Users and inst allers must ensure that FCC requirements for satisfying RF exposure compliance are met. Midland Land Mobile Radio Full Dot MatrixSee FCC Rules Part 1, Sections 1307 and 1310) Features o Simplex or two frequency Duplex operation o EEPROM programmable with a PC computer o 99 programmable multi-mode channels o Full dot matrix LCD o Front-facing speaker o T ransmit time out timer to prevent channel jamming o TX and RX encryption optional o T wo channel scanning modes o 5-T on e encoder a nd decoder plus DTMF encoder and decoder o Up to 99 channels with channel label s o T wo-st age front end allows mixed Simplex and Duplex operation (Optio nal) o Channel selectable Wide or Narrow channel sp acing (per channel ba sis) o CTCSS on a per channel basis (DCS available as an option; 71-8219 DCS Kit) o 5 X 4 Keypad for channel change, etc o 2RU equipment cabinet o S tep-up VCO volt age for superior selectivity o Low stand-by current is ideal for solar installation s o W atchdog timer. The Base T ech II Base Repeater is fitted with a large fu ll dot matrix LCD that is used to displ ay the channel numbers and names, frequency and tone prog rammed inform ation and signaling informatio n. All user-interface keys and knobs are conveniently locate d on the front of the radio. All user-ent ered function s are easily activated in a logical manner via the keypad. The Base T ech II Base Repeater is supplied with a n N type connector for the transmitter, and a BNC (early models) or N type connector for the re ceiver to a llow easy connection to the duplexer or feede r cables. Also included is a 25-pin D-sub connector tha t enables external interface to other rad ios or control equipment. Plugging a headphone in to this socket will disconnect the built-in s peaker. Note: Do not ground either speaker line as this is a bridged output amplifier. High TX Power Adjust This is a service point and is not used by the radio o perators 3. Low TX Power Adjust This is a service point and is not used by the radio o perators. Loud Speaker The receiver audio signal s are heard fr om this speaker (provid ed that the volume setting is loud enough and provided that the speaker has not been mut ed by one of the tone signaling formats). Repeater Mode Indicator LED The Repeater Mode Indicator LED will illuminate REP in y ello w when the selected channel has been programmed for Repeate r operation. This LED i s NOT illumi nated o n any channel that is programmed to operate in Base mode. Alarm Mode Indicator LED The Alarm Mode Indi cator LED will illuminate (Flashin g) ALM in orange whenever the tran sceiver detects a fault in the receiver module, the transmitter m odule, or the P A module on the selected channel. T ransmit Mode Indicator LED The T ransmit Mode Indicator LED will illuminate TX in red whenever the Base T ech II Base Repeater is transmitting. Busy Mode Indicator LED The Busy Mode Indicator LED will illuminate BUSY in green whenever the Base T ech II Base Repeater receives a carrier signal on the sel ected channel t hat is greater than the Squelch setting. Keyp ad The 5 x 4 key Keypad is used to enter channel sel ection, tone information, and other dat a into the Base T ech II Base Repeater. S pecific key sequences are descri bed fully in section 4 of this document. It include s the following keys: CH, SCAN, MON, SHIFT, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0,,, A, B, C, and D. V olume Control The V olume Control is used to set the audio output level from the loudspeake r. Press this knob to switch the Base T ech II Base Repeater ON. Pre ss this knob ag ain to switch th e Base T ech II Base Repeate r OFF. Power On Indicator LED The Power ON Indicator LED will illuminate in green whenever th e Power ONOFF switch is in the ON position. Liquid Cryst al Display (LCD)) NOTE: When operating u nder extreme cold temperature conditions (below 0 deg C) allow a 30 minute warm up period for full display functionality.
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