Icom IC-R20 Instruction Manual - Page 66

10 SET MODE D AM antenna selection This setting is activated only for the AM broadcast band, 0.495-1.620 MHz (differ according to version) reception. • EXT : Use the antenna connected to the antenna connector. (default) • BAR : Use the internal bar antenna for AM broadcast band reception. AM-ANTENNA EXT -BAR AM-ANTENNA EXT >BAR External antenna Internal bar antenna D FM antenna selection This setting is activated only for the FM broadcast band, 76.000-107.995 MHz (differ according to version), reception. • EXT : Use the antenna connected to the antenna connector. (default) • EARPHONE: Use the connected earphone's cable as the antenna for FM broadcast band recep- tion. FM-ANTENNA EXT -EARPHONE FM-ANTENNA EXT >EARPHONE External antenna Connected earphone cable 53 D Key lock effect While the key lock function is ON, [VOLUME] and [SQL] can still be accessed. Accessible keys can be set to one of 4 groups. [POWER] and [•LOCK] are also accessible during the lock, however, these keys are not effected by this setting. • NORMAL : [VOLUME] and [SQL] are accessible. (default) • NO SQL : [SQL] is accessible. • NO VOL : [VOLUME] is accessible. • ALL : No accessible key is available, except [POWER] and [• LOCK]. LOCK NORMAL -NO-SQL -NO-VOL -ALL LOCK NORMAL >NO-SQL -NO-VOL -ALL Normal lock condition Squelch level can be adjusted LOCK NORMAL -NO-SQL >NO-VOL -ALL LOCK NORMAL -NO-SQL -NO-VOL >ALL Audio output can be adjusted Receiver power and lock function only switchable