Five Digit Frequency Display StarLite Illuminated Display lights up your controls for nightime adjustments Blue Digital Readout Roger Beep Analog S/RF/SWR/Mod meter - Power and SWR meters are built-in Talkback Feature lets you hear your voice through the speaker while transmitting (switchable on or off) Variable Power Output Control the power of your transmission signal High SWR Alert - Alerts you to potentially damaging SWR levels Automatic SWR Circut- Automatically calibrates the SWR meter PA Capabilities - Use your CB as a public address system with an added speaker or PA horn Mic Gain Control- Adjust mic transmission strength RF Gain Control - Control receiving sensitivity to pull in or block out faint signals Display Dimmer - Control the backlit display brightness ANL - Filters out engine noise and improves sound quality Dimensions - 7-7/8” W x 9-1/4” D x 2-1/8” H Warranty - THREE year limited manufacturers warranty Galaxy DX939 Users Manual Support: CustomerSupport@GalaxyRadios.com TechSupportt@GalaxyRadio.com A Repair Authorization Number is required before sending a repair to Galaxy. Please call 760-480-8800 between 10am and 4pm PDT to request a number.