Icom A220 Instruction Manual - Page 23

OTHER FUNCTIONS 4 ■■Enabling the intercom When two headsets are connected to the transceiver, you can use them as a voice-activated intercom. qqWhile holding down [DUAL], rotate [VOL] to turn ON the transceiver's power. • Configuration menu is displayed. wwRotate [O-DIAL] to select "INCOM MODE." eeRotate [DIAL] to set the intercom usable setting to ON. rrP ush [RCL] to exit the Configuration menu and restart the transceiver. ttHold down [DUAL] for two seconds to enable the intercom function. • "ICS" is displayed. • Y ou can set the headphone output level in the Settings menu. (p. 20) • You can also set microphone 1 and microphone 2 audio input levels in the Settings menu. (p. 20) ■■Opening the squelch for test This function manually opens the squelch for testing. qqPush [VOL] to turn ON the squelch test function. • "RX" and " TEST" are displayed. wwTo turn the function OFF, push [VOL] again. • "RX" and " TEST" disappear. ■■Setting the frequency step You can select Frequency steps of 8.33 kHz or 25 kHz in the menu mode. qqHold down [RCL] for two seconds to enter the Settings menu. 04 wwRotate [O-DIAL] to select "FREQ. STEP." eeRotate [DIAL] to select the desired frequency steps of 8.33 kHz or 25 kHz. rrPush [RCL] to exit the Settings menu. CAUTION: Use of 8.33 kHz Channel Spacing of this radio is strictly prohibited and shall not be used in Canada. ■■Using the remote control You can remotely control the frequency exchange switch, intercom, and recall switch by connecting pins 1, 3, and 17* of the D-Sub 25 pin connector on the rear panel to the switches connected to the power ground. Refer to "INSTALLATION GUIDE" for details. • Turn the remote control in the Configuration menu ON. Refer to page 25 for details. *Connect pins L, 10, and 15 to the switches connected to the power ground if you are using the optional MBA-3 connector. 16