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Introduction to the Bendix King GPH-CMD This introduction is being presented to familiarize fire personnel to the basic operations of the Bendix King.

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Presentation on theme: "Introduction to the Bendix King GPH-CMD This introduction is being presented to familiarize fire personnel to the basic operations of the Bendix King."— Presentation transcript:

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3 Introduction to the Bendix King GPH-CMD This introduction is being presented to familiarize fire personnel to the basic operations of the Bendix King GPH- CMD portable radio. This introduction does not necessarily cover every aspect of the radio and encourages personnel to read the publication titled: “GPH-CMD Portable Radio Owner’s Manual”.

4 Objectives Familiarize personnel with the basic controls of the Bendix King GPH-CMD portable radio. Review basic operations including: Battery Removal and Installation Selecting a Group/Channel Building and Operating a Command Group Scanning/Priority Scan Selecting Tones

5 Bendix King GPH-CMD Basic Features MHz VHF “narrowband” frequency range. 5 watts RF output. 500 channels, 25 user groups, 20 channels per group. On-demand Command Group – enables building a 20- channel “Command Group” from any of the 500 programmed channels.

6 Alkaline Battery “Clamshell” Holds 9 AA batteries. Twice the life of the NiCad Rechargeable battery. Standard issue is orange. Some clamshells may be black or gray.

7 Nylon Pull Tab Tuck in behind batteries when installing batteries. Pull to remove batteries

8 Battery Capacity Some older clamshells take 10 batteries DO NOT use 10 batteries, a metal spacer is required. Will “Overvolt” and damage the radio.

9 Battery Orientation All positive poles go to the right. No need to “flip- flop” batteries like on other devices.

10 Battery Removal and Installation Locate lock tab on right side. Depress tab and twist battery to remove. To install, position tabs into their recesses. Rotate battery until tab clicks and locks.

11 Basic Controls On/Off, Volume ChannelSelector Squelch Direct/Repeater Priority Scan (up is on) Scan (up is on)

12 Basic Controls Transmit Indicator Light

13 Basic Controls Indicator Light PriorityPriority Busy ChannelBusy Channel Low BatteryLow Battery

14 Basic Controls AntennaAccessoryMountEarphonePTT (Push to Talk)

15 Basic Controls SpeakerMicrophone LCD Display Keyboard

16 Basic Operations Turn power on by turning volume knob clockwise. Adjust squelch by turning squelch knob. Receive Code Guard is disabled (far counter clockwise click) To transmit, press the PTT switch.

17 Selecting Channels Channels are arranged in 25 groups of up to 20 channels each. The rotary knob selects channels in the group.

18 Identifying Programmed Channels Channel Reference Cards are provided. Designed to attach to radio or radio vest.

19 Identifying Programmed Channels

20 Remote Speaker / Microphone

21 Installing Speaker / Microphone Cord points “up”. Tighten thumbscrew

22 Hi / Low Volume Switch Switch pointing “out” is high volume.

23 Locking and Unlocking the Keyboard To lock an unlocked keypad, press [FCN] key once. To unlock a locked keypad, press [FCN] key once.

24 Understanding Groups Channels are arranged in 25 groups of up to 20 channels each. Groups are numbered

25 Understanding Groups (continued) The “Command Group” is an additional group to give a user the ability to create a scan list of channels from multiple groups. This group is labeled “GRP CMND”

26 How To Change Groups Turn off both scan switches (down) before doing the following: To change groups: press [#] followed by the 2 digit group number and then press [ENT] key. Example: [#], [04], [ENT]

27 How To Change Groups (continued) Practice:Practice: Change to group 04.Change to group 04. Change to group 01.Change to group 01. Change to group 25.Change to group 25.

28 How To Add And Remove Channels To A Scan List (While in Groups 01-25) Turn off both scan switches (down) before doing the following: To add current channel to a scan list: press the [ENT] key. To remove current channel from a scan list: press the [CLR] key.

29 How To Add And Remove Channels To A Scan List Practice:Practice: Change to Group 4.Change to Group 4. Add Command 2, CDF Tac 5 and CDF Air to Ground to scan list.Add Command 2, CDF Tac 5 and CDF Air to Ground to scan list. Remove CDF Air to Ground from scan list.Remove CDF Air to Ground from scan list.

30 How To Add A Priority Channel Turn off both scan switches (down) before doing the following: Turn the Channel Selector knob to desired priority channel. Press the [PRI] key. A “PR” appears in display indicating that channel is the priority channel.

31 Building A Command Group The GPH-CMD radio allows construction of a Command Group of up to 20 channels, drawn from any of the programmed channels in the radio. To add or delete channels to the Command Group, turn off both scan switches (down) before programming.

32 Building A Command Group (continued) While operating in a group other than the Command Group (group 1-25), the user selects a channel in the radio and presses the [ * ] key to enter the channel into the Command Group. After adding a channel, the display momentarily shows “CMND CHAN XX” where XX is the channel number (1-20).

33 Operating From The Command Group To change groups to “Command Group”: press [#] twice and then press [ENT] key. The rotary knob selects channels in the group. To delete channels in the Command Group, press [ * ] while on the selected channel. Exit the Command Group to add new channels.

34 Operating From The Command Group PracticePractice Change to Group 4 and add CDF Command 1 and CDF Air to Ground to Command Group.Change to Group 4 and add CDF Command 1 and CDF Air to Ground to Command Group. Change to Group 5 and add RRU Support 6 to Command Group.Change to Group 5 and add RRU Support 6 to Command Group. Change to Command Group and verify channels have been entered.Change to Command Group and verify channels have been entered.

35 Priority Operation Slide priority switch up. Scans the priority channel as well as the channel selected by the channel selector knob. If message received on programmed priority channel, radio locks onto that channel until message is complete.

36 Scan Operation Slide scan switch up. Scans all channels programmed into scan as well as the channel selected by the channel selector knob.

37 Priority Scan Operation Slide scan and priority switch up. Scans the priority channel, all channels programmed into scan as well as the channel selected by the channel selector knob. If message received on programmed priority channel, radio locks onto that channel until message is complete.

38 Priority Scan Operation PracticePractice Switch to Command Group.Switch to Command Group. Scan channels with CDF Tac 5 as the priority channelScan channels with CDF Tac 5 as the priority channel

39 Understanding Repeaters and Tones We have two transmit options: “Direct” Sometimes called “talk-around” or “car-to-car” “Repeater” Mountaintop radio sites that receive a signal then retransmits or “repeats” the signal.

40 Direct No repeater is used. Radio-to-radio contact. Generally limited to line of sight and your radio’s wattage. Tactical and Air to Ground are examples of frequencies which do not utilize a repeater. There is a move to utilize repeaters in the future for tactical frequencies.

41 Repeaters Repeater sites are geographically spread across the entire state to provide coverage. They are assigned a name such as “Red Mountain” or “Mount Woodson” based on their geographic location. Each repeater will be designed to work with a specific “Net (s)” and will accept a specific “Tone (s)”

42 Red Mountain Hot Springs Boucher High Point Mount Woodson CuyamacaLyonsWhite StarTecate

43 Tones A radio frequency which travels ahead of the transmitted frequency. The Tone frequency arrives at the repeater, “opens” the repeater allowing the transmitted frequency to be broadcasted out at a higher wattage increasing the coverage Repeaters use a pair of frequencies, one for transmitting (Tx) and one for receiving (Rx). Either Tx or Rx may have a tone. 16 standardized CTCSS tones for use by fire agencies nationally.

44 Tones(continued) Tones also known as “Code Guard” or “PL Tone”. Used for Local Net, i.e., “Monte Vista ECC” or “Cleveland” Command Net frequencies, i.e., “Command 1” State “Travel Net”

45 Tones(continued) Tones are currently used only on the Tx frequency. Some frequencies such as Red 2 and the RRU supports will only operate with one specific Tone. Tones can be either “Enabled” or “Disabled”. Enabled = You can manually select a tone. Disabled = Tone is preset.

46 MVU Local Command 1 Command 2 Command 3 TONE 1 RED MTN TONE 1 SANTIAGO-RRU TONE 4 PINE COVE - BDF TONE 2 WHITE STAR TONE 2 STRAWBERRY – BDU TONE 5 ELSINORE PEAK - RRU TONE 3 CUYUMACA TONE 4 LYONS TONE 6 STRAWBERRY – BDU TONE 4 BOUCHER TONE 6 HOT SPRINGS TONE 8 MT. WOODSON TONE 5 TECATE TONE 8 MT. WOODSON TONE 1 WHITE STAR TONE 6 HOT SPRINGS TONE 2 LYONS TONE 7 TONE 9 RED MTN TONE 8 MT.WOODSON CNF FOREST NET CTCSS TONES TONE 1 SIERRA ORCO TONE Hz TONE Hz TONE 2 SANTIAGO TONE Hz TONE Hz TONE 3 ELSINORE TONE Hz TONE Hz TONE 4 HIGH POINT TONE Hz TONE Hz TONE 5 CUYUMACA TONE Hz TONE Hz TONE 6 ORTEGA TONE Hz TONE Hz TONE 7 LOS PINOS TONE Hz TONE Hz TONE 8 BOUCHER TONE HZ TONE Hz NOTE: Yellow print indicates San Diego County coverage

47 Programming Tones Turn Direct/Repeater switch to “ RPT” Turn off both scan switches (down) before programming tones. While on a channel that is “Enabled”, enter a number from 1-16 representing the desired tone. The display will show the desired tone. Example: [ 4 ]

48 Programming Tones PracticePractice Switch to Group 4, Monte Vista Local.Switch to Group 4, Monte Vista Local. Switch to Tone 4.Switch to Tone 4. Switch Tone off.Switch Tone off.

49 Review of Objectives Familiarize personnel with the basic controls of the Bendix King GPH-CMD portable radio. Review basic operations including: Battery Removal and Installation Selecting a Group/Channel Building and Operating a Command Group Scanning/Priority Scan Selecting Tones

50 More Information Communications “Watch Out” Situations Radio Etiquette Websites for further information

51 Communications “Watch Out” Situations Fire is located in steep rugged terrain. Crew area of responsibility excessive. Scanning more than two (2) channels required. Crew having to use more than seven (7) radios. Excessive amount of radios being issued. Personnel not associated with Operations using repeater. Improper radio procedures and excessive radio chatter. No communications equipment (Repeaters) being installed. Communications coverage marginal on fire line but good in base camp.

52 Radio Etiquette Listen for radio traffic before transmitting. Know what you’re going to say before pressing the Push-to-Talk button. After pressing the Push-to-Talk button, pause briefly (one second), and then speak into the microphone. Speak clearly.

53 Radio Etiquette (continued) Use clear text (do not use ten codes). Do not use foul language. Keep radio traffic to a minimum. Keep messages short and concise.

54 Radio Etiquette continued When making a call, identify the unit your calling, identify yourself, and radio channel you are transmitting on. For example: “Div A, this is Operations on Command. Clear radio channel when conversation is finished. For example: Div A, clear.

55 Introduction to the Bendix King GPH-CMD Suggested websites for further information: Bendix King Radios: Wildland Fire Communications:

56 Learn to use it before you need it! Remember LCES!


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