Icom IC-2720H Instruction Manual

Also see for IC-2720: User reference guide Service manual

Contents

Icom IC-2720H Instruction Manual Manual pdf 33 page image

163BASIC OPERATION23 Receivingq Set the audio level for the main band.➥ Push the desired band’s [MAIN•BAND].➥ Push [DUP•MONI] for 1 sec. to open the squelch.➥ Rotate the main band’s [VOL] to adjust the audio level.➥ Push the [DUP•MONI] for 1 sec. to close the squelch.w Set the squelch level.➥ Rotate the main band’s [SQL] fully counterclockwise inadvance, then rotate the [SQL] clockwise until the noisejust disappears.• When interference is received, rotate the [SQL] clockwiseagain for attenuator operation. (p. 17)e Set the operating frequency in the main band. (pgs. 11–13)rWhen receiving a signal on the set frequency, squelchopens and the transceiver emits audio.• “BUSY” appears and the S/RFindicator shows the relativesignal strength for the re-ceived signal.✔CONVENIENT!The main band’s audio and squelch level can alsobe adjusted with [VOLY(TONE-1)]/[VOLZ 0(TONE-2)]and [SQLY D(MUTE)]/[SQLZ #(16KEY-L)], respectively.• “VOL” for audio or “SqL” for squelch appears during set. Monitor functionThis function is used to listen to weak signals without disturb-ing the squelch setting.➥ Push [DUP•MONI] for 1 sec. to open the squelch.• Push [MIN•BAND] to select the desired band (left or right) as themain band in advance.• “BUSY” blinks.• Push [DUP•MONI] for 1 sec. again to cancel the function.➥ Push [MONI 1(BANK)] to open the squelch.• Push [BAND] to select the desired band (left or right)as the main band in advance.• Push [ MONI 1(BANK)] again to cancel the function.NOTE: When the [SQL] adjustment is set too far clock-wise, (12–5 o’clock position) the squelch attenuator is acti-vated. To monitor weak signals on the operating frequency,deactivate the squelch attenuator function. See pg. 17 fordetails.MONI1BUSYMAINT XMAINT XM MPush [DUP•MONI]for 1 sec.MShow set level.SQLY/ZD/#VOLY/ZM/0BUSYMAINT XMAppears when receiving a signal.