Midland BASE TECH II Operator's Manual
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Midland BASE TECH II Operator's Manual

Midland BASE TECH II Operator's Manual

Base/repeater station
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OPERATOR'S MANUAL
BASE TECH II BASE/REPEATER STATION
5/03
Midland Radio Corp.

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Summary of Contents for Midland BASE TECH II

  • Page 1 OPERATOR'S MANUAL BASE TECH II BASE/REPEATER STATION 5/03 Midland Radio Corp.

  • Page 2: Table Of Contents

    Base Tech II Base/Repeater Station Operator’s Manual Introduction..............................3 Description ..............................3 Features ..............................3 Controls, Indicators and Connectors ......................4 Operation..............................7 Installation and Programming .........................7 Basic Operation............................8 Front Panel Operation..........................9 Signaling ............................... 11 Scanning ...............................14 Locking the Keypad ..........................17 Changing Tone Signaling Systems .......................17...

  • Page 3: Introduction

    The Base Tech II Base Repeaters represents a technological advancement over previous models. The Base Tech II Base Repeater is comprised of separate modules all housed within one 2RU equipment cabinet. The receiver, transmitter, and PA unit are each enclosed within their own die-cast housing. Each one is then mounted directly on the large upper heatsink.

  • Page 4: Controls, Indicators And Connectors

    The Base Tech II Base Repeater is fitted with a large full dot matrix LCD that is used to display the channel numbers and names, frequency and tone programmed information and signaling information. All user-interface keys and knobs are conveniently located on the front of the radio.
  • Page 5 Keypad* The 5 x 4 key Keypad is used to enter channel selection, tone information, and other data into the Base Tech II Base Repeater. Specific key sequences are described fully in section 4 of this document. It includes the following keys: CH, SCAN, MON, SHIFT, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, •, #, A, B, C, and D.
  • Page 6 The right hand side of the fourth line is used to display data that the user enters (for example, 5 Tone calling sequences). These character spaces are also used by the Base Tech II Base Repeater to display messages and information directed to the user.

  • Page 7: Operation

    Installation and Programming As the Base Tech II Base Repeater can be installed to operate as either a Base Station or as a Repeater, some of the instructions in this document may apply to one application only, some may apply in both cases, while others may only apply if the particular function has been enabled during programming of the Base Tech II Base Repeater.

  • Page 8: Basic Operation

    CH01 and (if programmed with a channel label) the channel name: "CH01 NAME". • Receiving You should now be able to hear any radio traffic that occurs on channel #1 on the Base Tech II Base Repeater. It may be necessary to adjust the Volume setting to suit your listening requirements. •...

  • Page 9: Front Panel Operation

    • Keypad Operation The Keypad is the interface between the user and the Base Tech II Base Repeater. It is used to enable or disable various functions and to enter the required data for signaling purposes. The word (5-Tone) or (DTMF) shown after the described feature indicates that the described feature applies to the particular signaling format.
  • Page 10 Keypad Operation using the [SHIFT] Key Some of the Base Tech II Base Repeater's features and related functions can be changed by using the [SHIFT] key. To make these changes, it is necessary to first press the [SHIFT] key followed by the other keys within a two second timeframe.

  • Page 11: Signaling

    5 tones sequentially transmitted or received in accordance with certain international standards. It is possible to use longer sequences to enhance the signaling capabilities and to provide additional functions. Accordingly, the Base Tech II Base Repeater will encode up to sixteen (16) tones and decode up to eight (8) tones.
  • Page 12 If it is necessary to enter the "R" number sequence to activate the repeater, the [SHIFT] key must be pressed before pressing the [#] key. If a 5-Tone number is NOT displayed in the LCD, and the [#] key is pressed, then the Base Tech II Base Repeater will recall the most recent 5-Tone number and transmit it.
  • Page 13 If, during the programming of the Base Tech II Base Repeater, the <Attach Decode No> field has been set to "ON", the redialling function operates as follows: Press [#] and the Base Tech II Base Repeater will redial the last encoded DTMF number with the Base Tech II Base Repeater's programmed decode number.

  • Page 14: Scanning

    Single Tone Encoding The Base Tech II Base Repeater has the ability to encode one of six single tone frequencies for 1, 2, 3, or 4 seconds. This function is enabled during programming of the Base Tech II Base Repeater by selecting the <Single Tone ON>...
  • Page 15 RX==== CH01 Priority Scan Pressing the [SHIFT] and the [9] key again will take the Base Tech II Base Repeater out of Priority Scan mode and return it to the Normal Scan mode as shown below: RX==== ∞...
  • Page 16 A "beep" sound from the radio confirms correct deletion of the channel from the scan list. This function CANNOT be used in the Priority Scan mode. The Base Tech II Base Repeater automatically restores all channels to their respective scanning list as soon as the Base Tech II Base Repeater exits from the scan mode.

  • Page 17: Locking The Keypad

    System is DTMF Pressing [SHIFT] and holding down the [0] key for more than one second again will change the Base Tech II Base Repeater to the next signaling system. The new signaling system will show up on the LCD display as...

  • Page 18: Displaying The Channel Information

    To view this information in the LCD display, first select the required channel. Then press the [SHIFT] key, then the [7] key. You will need to keep the [7] key pressed until the Base Tech II Base Repeater has cycled through the information steps.

  • Page 19: Display Of Received Tone Frequencies

    Display of Received Tone Frequencies. It is possible to set the Base Tech II Base Repeater to display the received tone frequencies in the LCD display. They will appear in the area normally used to display the strength of the received signals.

  • Page 20: Bar Graph Displays

    Bar Graph Displays The Base Tech II Base Repeater will normally show the strength of the received signal to the right of "RX" in the LCD display and the strength of the transmitted signal to the right of "TX" in the LCD display. Both will be displayed in the form of a bar graph.

  • Page 21: Calling Party Id Display

    The Base Tech II Base Repeater has the capability to display a calling radio's ID (ANI) number after being called. When the Base Tech II Base Repeater is called, "CALL" will be displayed on the fourth line of the LCD display (and continue to flash).

  • Page 22: Emergency Caller Display

    Upon receipt of an emergency call, the Base Tech II Base Repeater will automatically respond to the emergency radio by sending the emergency radio's ID number to it. If the Base Tech II Base Repeater user presses the [#] key, the Base Tech II Base Repeater will resend the emergency radio's ID number.

  • Page 23: Tx Test Mode

    It is possible to change channels while in TX Test Mode. Pressing the [SHIFT] key, then the [B] key places the Base Tech II Base Repeater in TX Test Mode and displays the message in the LCD as shown below:...

  • Page 24: Frequency Band Test Mode

    Serial Number Display It is possible to display the Base Tech II Base Repeater's Serial Number in the LCD Display. To do so, the serial number must be entered into the <Configuration Menu> <Serial No.> field during the programming of the radio.

  • Page 25: Eerom Data Check Mode

    EEROM Data Check Mode As soon as the Base Tech II Base Repeater is switched "ON", it will automatically read and check all the data in the EEROM. If this check finds damaged or corrupted data, the Base Tech II Base Repeater will automatically...

  • Page 26: Hardware Error Detection

    This figure indicates a PA error. Should the Base Tech II Base Repeater indicate any of these errors, it is necessary to return the Base Tech II Base Repeater to your radio supplier or to a qualified radio trades-person to have the fault corrected.

  • Page 27: Rs232C Communications Error

    Base Tech II Base/Repeater Station Operator’s Manual RS232C Communications Error If a fault is encountered during programming of the Base Tech II Base Repeater, one of the following messages may be displayed in the LCD Display: Over Run Error Framing Error...

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