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Important safety instructions for radio operation, including local regulations and handling.
Instructions for preparing and mounting the DB25-D radio for operation.
Instructions for preparing and mounting the DB40-D radio for operation.
Steps for preparing the GD-88 handheld radio for initial use.
Identifies and explains the functions of the DB25-D radio's physical controls.
Identifies and explains the functions of the DB40-D radio's physical controls.
Identifies and explains the functions of the GD-88 radio's physical controls.
Describes the meaning and function of various status icons displayed on the radio.
Details how to operate the radio using its keys and the ENC knob.
Explains the core functions of the radio, categorized by mode.
Explains common radio functions like Zone, VFO Mode, Power, and Emergency Alarm.
Describes functions specific to analog radio operation, like bandwidth and squelch.
Details functions specific to digital radio operation, like private calls and roaming.
Instructions on how to power the radio on and off correctly.
Steps to adjust the audio volume for VFOs on different radio models.
How to adjust the squelch level for VFOs to manage signal reception.
Procedure for switching between VFO A and VFO B for operation and settings.
How to enable or disable Busy Channel Lockout to manage transmissions.
How to set CTCSS and DCS signaling for analog channels to manage squelch.
Methods for selecting the desired working channel on the radio.
How to manually enter frequencies for VFO mode using the keypad.
Ways to select and switch between zones and channels on the radio.
How to use the Talk Around function when a repeater is unavailable or out of range.
How to use the emergency alarm function to send calls or alerts in critical situations.
How to turn the radio's scanning feature on or off using different methods.
How to enable or disable the roaming feature to automatically find the next available repeater.
Detailed steps for navigating menus, selecting items, and confirming settings.
How to adjust the radio's transmit power between high and low settings.
How to switch between VFO A and VFO B for transmission.
How to make and receive digital radio calls like private, group, and all calls.
Ways to initiate a digital radio call using preset channels, contacts, or manual dial.
How to receive and answer analog radio calls, including handling CTCSS/DCS.
How to allow or prohibit remote monitoring of the radio's microphone and transmitter.
How to allow or prohibit remote disabling of the radio, useful if stolen or lost.
Configuration of various radio parameters like TOT, Power, and Signaling.
Steps to install the necessary device driver for the programming cable.
Guide to installing the CPS software required for radio configuration.
Instructions on how to launch and begin using the CPS software.
Steps to establish communication between the radio and the PC via the programming cable.
How to read and transfer the radio's current configuration (codeplug) to the PC.
Instructions on how to save the codeplug data to a file on the PC.
How to transfer changed settings (codeplug) from the PC back to the radio.
Procedure for resetting the radio to factory default settings using the CPS or radio menu.
Essential settings like Radio Name, Language, and TOT for initial radio setup.
Configures the Time-Out-Timer to limit transmission duration per call.
Controls whether the radio transmits when receiving signals, preventing interference.
Activates power-saving modes to extend battery life by reducing power consumption.
Adjusts the squelch level for the upper VFO (A) to control audio circuit activation.
Adjusts the squelch level for the lower VFO (B) to control audio circuit activation.
Programs a unique ID for radio identification, used for private calls and text messages.
Settings related to roaming, enabling automatic selection of the best repeater based on signal strength.
Defines functions assigned to programmable keys like P1-P7 for quick access.
Adjusts microphone gain levels and enables/disables the feature for better audio quality.
Enables or disables advanced DMR services like remote monitor, kill, and radio detection.
Allows or prohibits remote detection of the radio's presence and activity without indication.
Imports channel lists from CSV files into the CPS for radio setup.
Sets the receive frequency for channels, dependent on radio's frequency ranges.
Sets the transmit frequency for channels, dependent on radio's frequency ranges.
Sets the transmit output power independently for each channel.
Sets the TimeSlot for receiving in digital mode, crucial for TDMA channels.
Sets the TimeSlot for transmitting in digital mode, crucial for TDMA channels.
Assigns a color code for RX channels to identify systems sharing the same frequency.
Assigns a color code for TX channels to match repeater or system requirements.
Configures the working mode of a channel when in relay mode (Off, Only RX, Only TX, RX and TX).
Repeats analog signals received on one channel to another channel.
Repeats digital signals received on one channel to an analog output channel.
Repeats analog signals received on one channel to a digital output channel.
Repeats digital or analog signals received on one channel to an analog output channel.
Repeats analog or digital signals received on one channel to a digital output channel.
Repeats digital signals received on one channel to a digital output channel.
Allows a radio to act as a DMR-repeater for a specific frequency and TalkGroup.
Explains CTCSS and DCS codes for analog channels to manage squelch and interference.
Selects the decoder type or value (CTCSS, DCS, DCS-I) for receiving carrier signals.
Selects the encoder type or value (CTCSS, DCS, DCS-I) for transmitting carrier signals.
Configuration for APRS protocol, including analog and digital settings for beacons and reporting.
Manages digital contacts, including creating, editing, importing ham contacts, and ham groups.
Manages the radio's address book for calls, including creating, editing, and importing contacts.
Manages ham contacts list from CSV files, supporting up to 300,000 entries.
Manages ham groups list from CSV files, supporting up to 20,000 groups.
Associates scan/roaming lists with channels for monitoring activity and finding repeaters.
General advice on updating radio firmware and PC software (CPS).
Steps to install the IAP-updater program for firmware updates.
Detailed procedure for updating the radio's firmware, including device preparation.
Instructions for performing Flash updates using FLASH-files, requiring normal operating mode.
Step-by-step guide for setting up simplex analog FM operation with another station.
Guide for setting up duplex analog FM operation using a local analog FM repeater.
Guide for setting up simplex digital DMR operation with another station.
Steps for setting up simplex digital DMR operation using a Single-HAT hotspot.
Guide for setting up duplex digital DMR operation using a Dual-HAT hotspot.
Steps for setting up digital DMR operation with a digital repeater.
Important safety instructions for radio operation, including local regulations and handling.
Instructions for preparing and mounting the DB25-D radio for operation.
Instructions for preparing and mounting the DB40-D radio for operation.
Steps for preparing the GD-88 handheld radio for initial use.
Identifies and explains the functions of the DB25-D radio's physical controls.
Identifies and explains the functions of the DB40-D radio's physical controls.
Identifies and explains the functions of the GD-88 radio's physical controls.
Describes the meaning and function of various status icons displayed on the radio.
Details how to operate the radio using its keys and the ENC knob.
Explains the core functions of the radio, categorized by mode.
Explains common radio functions like Zone, VFO Mode, Power, and Emergency Alarm.
Describes functions specific to analog radio operation, like bandwidth and squelch.
Details functions specific to digital radio operation, like private calls and roaming.
Instructions on how to power the radio on and off correctly.
Steps to adjust the audio volume for VFOs on different radio models.
How to adjust the squelch level for VFOs to manage signal reception.
Procedure for switching between VFO A and VFO B for operation and settings.
How to enable or disable Busy Channel Lockout to manage transmissions.
How to set CTCSS and DCS signaling for analog channels to manage squelch.
Methods for selecting the desired working channel on the radio.
How to manually enter frequencies for VFO mode using the keypad.
Ways to select and switch between zones and channels on the radio.
How to use the Talk Around function when a repeater is unavailable or out of range.
How to use the emergency alarm function to send calls or alerts in critical situations.
How to turn the radio's scanning feature on or off using different methods.
How to enable or disable the roaming feature to automatically find the next available repeater.
Detailed steps for navigating menus, selecting items, and confirming settings.
How to adjust the radio's transmit power between high and low settings.
How to switch between VFO A and VFO B for transmission.
How to make and receive digital radio calls like private, group, and all calls.
Ways to initiate a digital radio call using preset channels, contacts, or manual dial.
How to receive and answer analog radio calls, including handling CTCSS/DCS.
How to allow or prohibit remote monitoring of the radio's microphone and transmitter.
How to allow or prohibit remote disabling of the radio, useful if stolen or lost.
Configuration of various radio parameters like TOT, Power, and Signaling.
Steps to install the necessary device driver for the programming cable.
Guide to installing the CPS software required for radio configuration.
Instructions on how to launch and begin using the CPS software.
Steps to establish communication between the radio and the PC via the programming cable.
How to read and transfer the radio's current configuration (codeplug) to the PC.
Instructions on how to save the codeplug data to a file on the PC.
How to transfer changed settings (codeplug) from the PC back to the radio.
Procedure for resetting the radio to factory default settings using the CPS or radio menu.
Essential settings like Radio Name, Language, and TOT for initial radio setup.
Configures the Time-Out-Timer to limit transmission duration per call.
Controls whether the radio transmits when receiving signals, preventing interference.
Activates power-saving modes to extend battery life by reducing power consumption.
Adjusts the squelch level for the upper VFO (A) to control audio circuit activation.
Adjusts the squelch level for the lower VFO (B) to control audio circuit activation.
Programs a unique ID for radio identification, used for private calls and text messages.
Settings related to roaming, enabling automatic selection of the best repeater based on signal strength.
Defines functions assigned to programmable keys like P1-P7 for quick access.
Adjusts microphone gain levels and enables/disables the feature for better audio quality.
Enables or disables advanced DMR services like remote monitor, kill, and radio detection.
Allows or prohibits remote detection of the radio's presence and activity without indication.
Imports channel lists from CSV files into the CPS for radio setup.
Sets the receive frequency for channels, dependent on radio's frequency ranges.
Sets the transmit frequency for channels, dependent on radio's frequency ranges.
Sets the transmit output power independently for each channel.
Sets the TimeSlot for receiving in digital mode, crucial for TDMA channels.
Sets the TimeSlot for transmitting in digital mode, crucial for TDMA channels.
Assigns a color code for RX channels to identify systems sharing the same frequency.
Assigns a color code for TX channels to match repeater or system requirements.
Configures the working mode of a channel when in relay mode (Off, Only RX, Only TX, RX and TX).
Repeats analog signals received on one channel to another channel.
Repeats digital signals received on one channel to an analog output channel.
Repeats analog signals received on one channel to a digital output channel.
Repeats digital or analog signals received on one channel to an analog output channel.
Repeats analog or digital signals received on one channel to a digital output channel.
Repeats digital signals received on one channel to a digital output channel.
Allows a radio to act as a DMR-repeater for a specific frequency and TalkGroup.
Explains CTCSS and DCS codes for analog channels to manage squelch and interference.
Selects the decoder type or value (CTCSS, DCS, DCS-I) for receiving carrier signals.
Selects the encoder type or value (CTCSS, DCS, DCS-I) for transmitting carrier signals.
Configuration for APRS protocol, including analog and digital settings for beacons and reporting.
Manages digital contacts, including creating, editing, importing ham contacts, and ham groups.
Manages the radio's address book for calls, including creating, editing, and importing contacts.
Manages ham contacts list from CSV files, supporting up to 300,000 entries.
Manages ham groups list from CSV files, supporting up to 20,000 groups.
Associates scan/roaming lists with channels for monitoring activity and finding repeaters.
General advice on updating radio firmware and PC software (CPS).
Steps to install the IAP-updater program for firmware updates.
Detailed procedure for updating the radio's firmware, including device preparation.
Instructions for performing Flash updates using FLASH-files, requiring normal operating mode.
Step-by-step guide for setting up simplex analog FM operation with another station.
Guide for setting up duplex analog FM operation using a local analog FM repeater.
Guide for setting up simplex digital DMR operation with another station.
Steps for setting up simplex digital DMR operation using a Single-HAT hotspot.
Guide for setting up duplex digital DMR operation using a Dual-HAT hotspot.
Steps for setting up digital DMR operation with a digital repeater.
General| GPS | Yes |
|---|---|
| Operating Voltage | 7.4V DC |
| IP Rating | IP54 |
| Bluetooth | Yes |
| Frequency Range | VHF: 136-174MHz |
| Output Power | Low: 1W |
| Modes | Digital |
| Display | Color LCD |
| Channel Spacing | 12.5kHz |
| Operating Temperature | -20°C to +55°C |
| Weight | 300g |
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