Icom IC-GM1600 Instruction Manual - Page 19

SET MODE 5 D Battery voltage indicator "bt" This function controls display or non-display settings of the connected battery pack's voltage when the power is ON. • The voltage of the connected battery pack is displayed for 2 sec. after power is turned ON. Push Battery voltage indicator OFF (default) Battery voltage indicator ON D Signal strength indicator "Sl" The signal strength indicator displays received signal strength like an "S-meter". This function is convenient to check the signal strength visually. • The strength is displayed at 4 steps. • The antenna mark and 3 bars appear when receiving strong signals. • The antenna mark only appears when receiving no signal when the signal strength indicator is ON. Signal strength indicator OFF (default) Push Signal strength indicator ON D Squelch sensitivity function "SS" When this function is turned ON, blocking against noise is improved. Therefore the squelch is not easily affected by noise. 5 Push Squelch sensitivity OFF (default) Squelch sensitivity ON D VOX gain "ga" (Available for on-board use only) Adjusts the VOX gain level (from 1 to 6) when speaking into the optional headset. • Setting the VOX gain to 1 increases the sensitivity. • Setting the VOX gain to 6 reduces the sensitivity. Push VOX gain 3 (default) VOX gain 6 14