Icom A220 Instruction Manual - Page 27

MENU MODE 5 ■■Settings menu items DDAM squelch level "SQL LEVEL" Adjust the squelch level for AM mode operation. In order to receive signals properly, the squelch must be adjusted to the proper level. • -010 to 010:  Sets the AM squelch level to between -­ 10­and 10. DDSquelch mode "SQL MODE" Sets the squelch mode for AM mode operation*. *Displayed only when the Auto squelch "AUTO SQL" item in the Configuration menu (p. 22) is set to "USER SET." • MN (manual): U se "SQL LEVEL" to set the squelch level. • AU (auto): Prevents the audio from breaking up while receiving weak signals. DDFM squelch level "FM SQL LV" (For only U.S.A. version transceivers) Set the squelch level for FM mode operation. • -010 to 010: Sets the FM squelch level to between -­ 10 and 10. DDHeadphone level "HP LEVEL" Sets the headphone output level while receiving. • AF gain: The output level is the same as [VOL]. • OFF (0): Mutes the headphone. • 001 to 080: Sets the audio level to between 1 and 80. DDIntercom 1 microphone audio input level "INCOM LV1" Sets the intercom 1 microphone input level. • OFF (0): Mutes the intercom1 microphone. • 001 to 080: S ets the intercom1 input level to between 1 and 80. DDIntercom 2 microphone audio Input level "IN- 05 COM LV2" Sets the intercom 2 microphone input level. • OFF (0): Mutes the intercom 2 microphone. • 001 to 080: S ets the intercom 2 input level to between 1 and 80. DDAutomatic noise limiter "ANL" The ANL (Automatic Noise Limiter) function reduces noise components while receiving, such as those caused by engine ignition systems. • OFF: ANL function is OFF. • ON: ANL function is ON. DDLock mode "LOCK MODE" Sets the lock function. • OFF : The lock function is OFF. • DIAL: The lock function applies to [DIAL]. • PANEL: The lock function applies to switches on the front pan- el. 20