Icom ID-51A PLUS Instruction Manual - Page 40

3 MENU SCREEN ■■ Menu items and their details Root item "Function" (Continued) Remote MIC Key The function assignments for keys on the optional HM75LS can be changed for simple remote control operation. During RX/Standby Selects the key function to be used while receiving or in the standby mode. During TX Selects the key function to be used while transmitting. Key Lock Selects the key lock type when the Key Lock function is turned ON. PTT Lock Turns the PTT Lock function ON or OFF. Busy Lockout Turns the Busy Lockout function ON or OFF. Time-Out Timer Selects the Time-Out Timer time options. Active Band Allows continuous frequency selection across all bands by rotating [DIAL]. MIC Gain (Internal) Sets the internal microphone sensitivity to suit your preference. MIC Gain (External) Sets the external microphone sensitivity to suit your preference. 27 Data Speed Selects the data transmission speed for low-speed communication, or between the [DATA] jack and external modules like a GPS receiver, and so on. VOX VOX Turns the VOX function ON or OFF. VOX Level Sets the VOX gain level. VOX Delay Sets the VOX Delay time. VOX Time-Out Timer Sets the VOX Time-Out Timer to prevent an accidental prolonged transmission. Headset Select Selects the headset type to be used for the VOX function to limit the maximum audio output level to protect the headset speaker. CI-V Set CI-V options. CI-V (DATA Jack) Selects whether or not to use the [DATA] jack to control an external device. CI-V Address Sets the transceiver's unique CI-V hexadecimal address code.