Icom F3201DEX / F4201DEX Operating Instructions - Page 24

3 BASIC OPERATION Setting the squelch level The squelch circuit mutes the received audio signal, depending on the signal strength. qqRotate [VOL] to turn OFF the transceiver power. wwSet [ROTARY SELECTOR] to any channel other than Channel 16. eeWhile holding down [Upper], rotate [VOL] to turn ON the power and enter the squelch level adjustment mode. rrPush [Upper] to increase the squelch level (tight squelch), or push [Lower] to decrease the squelch level (loose squelch). • The adjustable range is 0 (loose squelch) to 9 (tight squelch). • A beep sounds after pushing [Upper] or [Lower]. An error beep sounds if you try to exceed the adjustable range. NOTE: The Beep function should be turned ON. (p. 3-4) ttRotate [VOL] to turn OFF the power to exit the squelch level adjustment mode. NOTE: This operation may not be available, depending on the presetting. [Upper] [Lower] [ROTARY SELECTOR] [VOL] 3-11