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FEATURES
2
Programmable group/channel selector
Programmable top switches
Programmable keypad menu
DTMF
ANI
Time-out timer
Group scan
Scan delay
Talkback scan
Nuisance channel delete
Dual-priority scan with Code Guard
Alphanumeric display
Up to 240 channels available in 15
groups of 16 channels
2.5 kHz interstitial channel spacing
Enhanced user Code Guard that
accesses all 16 guards
Group scan with group lockout
Clonable alphanumeric display data
Clonable low-power select per channel
BK Radio

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Summary of Contents for BK Radio GPH Flex•Mode

  • Page 1 Up to 240 channels available in 15 groups of 16 channels • 2.5 kHz interstitial channel spacing • Enhanced user Code Guard that accesses all 16 guards • Group scan with group lockout • Clonable alphanumeric display data • Clonable low-power select per channel BK Radio...
  • Page 2: Table Of Contents

    FCC REQUIREMENTS Your radio must be properly licensed by the Federal Communications Commission prior to use. Your BK Radio dealer can assist you in meeting these requirements. Your dealer will program each radio with your authorized frequencies, signaling codes, etc., and will be there to meet your...
  • Page 3: Basic Operation

    If the length of your message exceeds the preset time- out timer setting, the transmitter automatically shuts BUSY CHANNEL off and a tone sounds. To continue transmission, INDICATOR release the PTT switch, and then press it again and continue talking. BK Radio...
  • Page 4: Radio Controls

    RADIO CONTROLS TRANSMIT INDICATOR BK RADIO SQUELCH ANTENNA CODE GUARD ON/OFF VOLUME OFF- 9 10 HI/LO CHANNEL TRANSMIT SELECT DPH RADIO WITH POWER KEYBOARD/DISPLAY COVERED OR NOT INSTALLED SCAN PRIORITY (REDUCED VIEW) BUSY CHANNEL INDICATOR PRIORITY LOW BATTERY BK RADIO...
  • Page 5: Code Guard Operation

    ESET THE SQUELCH KNOB position to receive only the messages with the proper Code Guard value. During extended transmissions, the squelch can be left open until the exchange has ended. Code Guard is a trademark of BK Radio BK Radio...
  • Page 6: Built-In Features

    BUILT-IN FEATURES The BK Radio G Series is based on a microprocessor core that allows extra features and operational characteristics to be programmed into the radio. Your dealer can help define the best operational settings for your system and program them into the radio.
  • Page 7 (or keypad menu setting). If the programming for the channel allows high-power transmissions, the power BATTERY SAVER OPTION level can be selected with a top switch or the keypad menu. BK Radio...
  • Page 8 DTMF ENCODING Keypad-equipped radios can be programmed to enable DTMF (Dual Tone Multiple Frequency) encoding. To send DTMF tones (similar to the tones used by a standard push-button telephone): 1. P the PTT switch. RESS AND HOLD 2. P on the keypad. RESS ANY OF THE KEYS You will hear a sidetone.
  • Page 9: Talkback Scan

    When enabled, if scan hold time remains after you receive a call, transmission occurs on the transmit frequency (or talk-around frequency) of the received channel. However, if dual priority scan is active with the transmit-on-priority feature enabled, talkback scan becomes disabled. BK Radio...
  • Page 10 DUAL PRIORITY SCAN Up to 2 of the 16 channels in each group can be designated as priority channels. These two channels, PR1 and PR2, are checked at a preset rate (.25–2.0 seconds) for activity, even if you are listening to a different transmission. Activity on PR1 will preempt PR2.
  • Page 11: Alphanumeric Display

    Each label can include up to eight characters, with decimal points available between characters. ch 12 Characters can include A–Z, 0–9, -, *, $, /, +, %, \, |, CHANNEL NUMBER _, <, >, h, or a blank space. BK Radio...
  • Page 12: Channel Groups

    GROUP LABELS The display can show group labels in addition to group numbers. To display a group label: 1. S B (programmed for scan) LIDE WITCHES C (programmed for priority scan) DOWN 2. P on the keypad to display the RESS THE group number.
  • Page 13 TWICE 4. P you want RESS THE NUMBER OF THE CHANNEL to change. If the group or channel is locked to a switch position, pressing # will only display the knob-selected value. New entries will not be accepted. BK Radio...
  • Page 14: Scan Operation

    SCAN OPERATION 1. S LIDE WITCH SCAN 2. S LIDE WITCH PRIORITY DOWN The display indicates scan operation by flashing Scan operates only while the radio is not transmitting. The radio checks for signals on channels in the preset Label 3 scan list, as well as the channel selected by the channel selector knob.
  • Page 15 RESS THE list. A short beep sounds and appears in the display. 4. P to remove a channel from RESS THE the scan list. A short beep sounds and SCN disappears from the display. BK Radio...
  • Page 16: Priority Scan

    PRIORITY SCAN Priority scan enables the radio to receive on any channel while monitoring for a message on the designated priority channel. The radio samples the priority channel at a preset rate (.25–2.0 seconds) regardless of activity on any other channel. Priority scan operates only while the radio is not transmitting and can be used in combination with scan operation.
  • Page 17 LCD display. Does PR appear in the display? Turn channel knob Slide Switch C up to different channel Does display show knob-selected Priority Mode A channel? Does display change to priority channel? Priority Mode B Priority Mode C BK Radio...
  • Page 18 Priority Mode A With Scan In Priority Mode A, the priority channel is set by the channel selector knob. Priority Mode A is seldom used by itself because the radio receives and transmits only on the knob-selected channel. When Switches B (scan) and C (priority) are up, scanning occurs until an active scan channel is found.
  • Page 19 To reply to a message heard on the priority channel, press the PTT switch. The radio transmits only on the priority channel when Switch C (priority) is up. Once activity has ceased on the priority channel, the radio returns to scan operation. BK Radio...
  • Page 20 CHANGE THE PRIORITY CHANNEL The fixed priority channel used in Priority Modes B and C can be permanently set or can be changeable. If the radio has a changeable priority channel, use the following steps to make this change. 1. S LIDE WITCHES SCAN...
  • Page 21: User Selected Code Guard

    Code Guard values, nor does it access user-selected Code Guard values in scan mode. NOTE: If the channel selector knob is on a different group, when you rotate the knob, the new group is programmed differently. BK Radio...
  • Page 22: Busy Channel

    BUSY CHANNEL If the radio has been programmed for busy channel operation, it will operate in one of the following three modes: • Busy Channel Indication • Busy Channel Lockout • Busy Channel Lockout Override BUSY CHANNEL INDICATION The yellow busy channel indicator glows if there is carrier activity on the selected channel.
  • Page 23 This mode operates in the same manner as busy channel lockout except that the user can override and transmit by turning the squelch knob off the Code Guard detent. The transmitter is locked out only if the squelch knob is set to the Code Guard detent. BK Radio...
  • Page 24: Cloning Procedure

    CLONING PROCEDURE STANDARD INSTRUCTIONS Any “master” radio (a GPH Flex•Mode™ with the desired radio frequencies and settings) is capable of transferring its program to another GPH Flex•Mode™ or “slave” radio. The radio receiving the program is also referred to as the “clone.” The LAA0700 cloning cable will be required in the following procedure.
  • Page 25 Improper connection • Failure to turn on the clone • Setting the clone in programming mode NOTE: To stop the “FAIL” mode, press CLR, turn off both radios, and try again, starting with Step 1 on the previous page. BK Radio...
  • Page 26 SPECIAL CLONING INSTRUCTIONS You can change Channel 0 values on the master radio, hold them in a temporary memory, and download them to the clone without actually entering them into the permanent memory of the master. This is convenient if sequential identification numbers are used to identify a series of portables in a radio system.
  • Page 27: Battery Installation And Removal

    BATTERY INSTALLATION AND REMOVAL BK Radio battery packs are available in a variety of sizes and types for special applications. Rechargeable battery packs can be charged separately or while attached to a radio. INSTALLING THE BATTERY 1. L on the radio base and OCATE THE CENTER HUB place it in the recess of the battery pack.
  • Page 28: Definitions And Acronyms

    DEFINITIONS AND ACRONYMS Automatic Number Identification Code Guard Clear Cloning The process of copying data from one radio, called “master,” to other radios, called “slaves” or “clones” Code Guard A subaudible tone for selective listening and receiving Detent The click/hesitation you feel as you turn a knob from one position to another DTMF Dual Tone Multiple Frequency...
  • Page 29: Service

    SERVICE If you need service, contact your local BK Radio dealer equipped to service your radio. If you find it impractical to have service performed by your local dealer, contact BK Radio at the address below: BK Radio, Inc. ATTN: Customer Service...

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Gph flex-modeGph5102xp

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