Getting Started

• Make a note of the current KH1 KEY JACK menu item setting so that it can be restored after installing firmware.
• Change the KH1 KEY JACK menu item to RS-232.
• Connect your Personal Computer to your KH1's key/data connector using a KXUSB interface cable for USB or a KXSER RS-232 cable.
• Start the KH1 Utility.
• Choose the PC serial port used.
• Click Test Communications to verify the connection.
• Select the Firmware tab to check or update your KH1's firmware.
• Click Default to select a Local folder for firmware files
• Click Copy Firmware Files from Elecraft. The latest firmware files will be copied from an Elecraft file server to your Local folder for firmware files. Then the firmware versions available in your Local folder for firmware files are compared with the versions installed in your KH1.
• If new firmware is available, click Send Firmware to KH1. Firmware installation takes just a few minutes.
• Restore the KH1 KEY JACK menu item to its desired setting.