3 ADVANCED OPERATION3-2Adjusting the audio levelz Rotate [VOL]* to adjust the audio level.• The display shows the audio level while adjusting.L If the squelch is closed, hold down [MONI] whileadjusting the audio level.[DIAL][VOL]* Use [VOL] or [Y]/[Z], depending on the setting of the “Dialassignment” in the Initial Set mode. (p. 9-6)Selecting passband widthSet both the transmission and reception passbandwidth to wide or narrow.1. Push [FUNC], and then push [SET] to enter theSet mode.2. Push [Y] or [Z] to select the passband width item(W/n).3. Rotate [VOL] to select the passband width.• “W”: Wide (FM mode)• “n”: Narrow (FM-N mode)4. Push [# ENT] to exit the Set mode.The “Passband width” item in the Set mode(FM mode is selected) (FM-N mode is selected)Receiving1. Rotate [VOL]* to adjust the desired audio level, asdescribed to the left.• The display shows the audio level whileadjusting.2. Adjust the squelch level.• The display shows the squelch level whileadjusting.L While holding down [MONI], push [Y] or [Z]*several times to adjust the squelch level.L “SqL 1” is loose squelch (for weak signals) and“SqL10” is tight squelch (for strong signals).“SqL 0” is open squelch.3. Set the operating frequency or memory channel.4. When you receive a signal, the squelch opensand audio can be heard.• The signal icon shows the relative signalstrength of the received signal.* Use [VOL] or [Y]/[Z], depending on the setting of the “Dialassignment” in the Initial Set mode. (p. 9-6)TransmittingCAUTION: DO NOT transmit without an antenna.NOTE: To prevent interference, listen on the channelbefore transmitting by opening the squelch. To openthe squelch, hold down [MONI].1. Set the operating frequency or memory channel.• Adjust the output power if desired. See theBASIC MANUAL for the details.2. Hold down [PTT] to transmit.• “ ” is displayed while transmitting.L The signal icon shows the output power level.3. Speak into the microphone at your normal voicelevel.L DO NOT hold the transceiver too close to yourmouth, or speak too loudly. This may distort thesignal.4. Release [PTT] to receive.NOTE: When the TX permission is set to OFF, youcannot transmit. (p. 9-3)R WARNING! When using the BP-263 batterycase, frequent or continuous transmissions cancause the batteries to overheat, and may causea burn. Be careful of long transmissions when theTime-out Timer function is turned OFF, or set to along time period.L We recommend using the Mid or Low power setting.