User Manual

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BK RADIO

Page 2-1

SECTION II

INSTALLATION AND PROGRAMMING

2.1 GENERAL INFORMATION

This section contains information concerning the installation and programming of BK Radio GMH

Series radios.

2.1.1 Unpacking and Inspecting Equipment

Exercise extreme care when unpacking the equipment. Make a visual inspection of the unit for

evidence of damage incurred during shipment. If a claim for damage is to be made, save the shipping

container to substantiate the claim. The claim should be promptly filed with the transportation

company. It would be advisable to retain the container and packaging material after all equipment has

been removed in the event that equipment storage or reshipment should become necessary.

2.1.2 Installation

Plan your installation carefully. Locate the radio and microphone within easy reach, giving the

operator a clear view of the display. Do not locate the radio or microphone in a position that interferes

with safe operation of the vehicle.

Once the equipment location is chosen, determine the best routing for cables and wires to connect

the system. Use a rubber grommet to protect the wires when passing through sheet metal. Avoid any

route that subjects the wire to pinching, cutting, or high heat from the engine or other vehicle

component.

The radio must be used with a 12 volt, NEGATIVE GROUND electrical system. Refer to Figure 2-1.

1. Crimp the fuse holder in line with the red power lead as close to the battery as possible.

2. Connect the red power lead to the vehicle battery POSITIVE terminal. Using other positive

voltage points in the vehicle is not recommended.

3. Connect the black lead to a good ground point on the vehicle chassis. Connection to the

negative battery terminal is not recommended.

4. Mount the antenna carefully. Follow the instructions supplied with the antenna kit. Route the

coax cable to the radio mounting location.

5. Fasten the mounting bracket securely to the desired location.

6. Mount the microphone clip securely to the desired location. The microphone hanger clip must

be grounded for proper radio operation. Use the supplied ground wire if needed.

7. Mount any approved accessory speakers and route the wires to the rear of the radio bracket.

8. Connect the power lead, antenna connector, and accessory wires to the rear of the radio.

9. Place the radio in the mounting bracket, adjust to the proper mounting angle, and thread in

the two side mounting knobs until the unit is secure.

NOTE: Option A and B connections are logic level outputs. Consult your BK Radio dealer before

connecting accessories to these pins.

Summary of content (15 pages)

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SECTION II INSTALLATION AND PROGRAMMING 2.1 GENERAL INFORMATION This section contains information concerning the installation and programming of BK Radio GMH Series radios. 2.1.1 Unpacking and Inspecting Equipment Exercise extreme care when unpacking the equipment. Make a visual inspection of the unit for evidence of damage incurred during shipment. If a claim for damage is to be made, save the shipping container to substantiate the claim.
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15 11 1 6 ITE M 2 OR 5 9 6 1 C H A SSIS G RO UN D 0 .1 4 7 N O . 2 6 D R ILL (4 PLC S.
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GMH Series VHF Radio 2.2 Installation and Programming KEYBOARD PROGRAMMING GMH Series radios can be programmed in three different ways: A. With a computer, GMH tuning software, and an LAA 0725 interface cable. That procedure is not described in this manual. B. With the optional LAA 0290 keyboard microphone. That procedure is described in this section. C.
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Installation and Programming GMH Series VHF Radio 7. Press the [ENT] key to store the new password and proceed to programming mode. The display will change to PRG Ch 000. 2.2.2 General Performance Variables (Channel 0) Channel 0 settings for each group must be programmed separately. Select the group to be programmed (if applicable) by pressing the GRP button an rotating the Channel Select knob. Press the GRP button again to return toe Channel Select mode.
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GMH Series VHF Radio Installation and Programming 4c. The existing ID number can be incremented one digit by pressing the [PRI] key on the microphone. 4d. Press the [ENT] key to store the new ID number and advance to the next section.
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Installation and Programming GMH Series VHF Radio 2.2.2.2 Transmitter Time Out Timer After the ID number is set, the display annunciator will indicate PRG TX. This is the duration of the transmitter Time Out Timer. 0 SEC means the Time Out Timer is disabled. Press the [PRI] key to increase the Time Out Timer duration by 15 seconds, with a maximum of 225 seconds (3 minutes, 45 seconds). Press the [PRI] key again to change the duration from 225 seconds to zero.
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GMH Series VHF Radio Installation and Programming 2.2.3.1 Priority Scan Functions 2 and 3 are used to define Priority Scan operation. There are three types of Priority Scan available. They are described in greater detail under "Priority Scan" beginning on page 3-8. Priority Scan modes include: Priority Mode A - The Priority Channel follows the position of the Channel Selector knob. Priority Mode B - The Priority Channel is fixed. You will transmit on the channel selected by the Channel Selector knob.
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Installation and Programming 2.2.4 GMH Series VHF Radio Channel 0 Group Two Functions After Group One functions are set, the display will show PRG 2-12345 for Group Two functions. As with Group One functions, the enabled function number will flash. The disabled functions remain steady. 2.2.4.
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GMH Series VHF Radio Installation and Programming 2.2.4.3 ANI Enable When function 4 is enabled (flashing) the ANI ID number will be transmitted (as a DTMF tone sequence) with each press of the PTT switch. See "Automatic Number Identification (ANI)N on page 24 for instructions on setting the ANI number. When functions 4 and 5 are both enabled (flashing) the ANI tone sequence will be transmitted only after the [ENT] key is pressed while the transmit PTT switch is activated.
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Installation and Programming 2.2.5 GMH Series VHF Radio Alphanumeric Display Functions 2.2.5.1 Group Label The GMH radio can be programmed to enable the display of alphanumeric labels. This can be enabled only by using a computer, GMH Editor software, and an RS-232 interface cable: After Group Two functions, the display shows the current label for the channel group, if alphanumeric labels are enabled. Each channel group can have a label of up to eight characters or spaces.
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GMH Series VHF Radio 2.2.7 Installation and Programming Enter Channel Frequencies and Code Guard Values At the starting point for Channel 0, the display shows PRG Ch 000. At this point, a channel number can now be pressed to allow access to the frequency and Code Guard values for that channel. NOTE: A valid receive frequency must be programmed into each channel intended for use.
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Installation and Programming GMH Series VHF Radio If you wish to change it, press the [CLRJ key followed by the frequency in MHz then [ENT] to store the new frequency and automatically advance to the next value. Only valid frequencies will be operable. 6. After the transmit frequency is set the upper part of the display will show PRG TX CG. This is the Code Guard value for Channel 1 transmit (0.0 indicates carrier squelch). If this value is correct press the [FCN] key to advance to the next value.
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GMH Series VHF Radio 2.3 Installation and Programming CLONING RADIO SETTINGS A portable radio with a keyboard and display can transfer its programmed settings to an GMH radio by using a cloning cable. A radio cannot transfer Alphanumeric display settings, including channel labels and group labels. Both units must be of the same frequency band. Settings for any group in a portable radio can be downloaded to any group in the GMH radio. The GMH radio must be programmed with groups of 14 channels.
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Installation and Programming GMH Series VHF Radio 2.3.1 Special Cloning Instructions It is possible to change Channel 0 values on the portable radio, hold them in a temporary memory, and download them to the GMH without actually entering them into the permanent memory of the portable radio. This is convenient for sequential identification numbers used to identify a series of portables in a radio system.
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GMH Series VHF Radio 2.3.2 Installation and Programming Programming By Computer Programming a radio from a computer is not covered in this manual. Contact BK Radio for the programming cable, software, and manual required. 2.3.3 Tone Code Guard Values The tone Code Guard system may be set for any frequency in the range of 67 to 255.9 Hz. However, since most systems adhere to the Electronic Industry Association (EIA) standards, tones should be selected from the following EIA list.