Radio Shack 21-1840 owner manual

21-1840.fm Page 11 Thursday, August 5, 1999 3:15 PM

To hear everything happening on a channel (includ- ing weak transmissions), hold down MON. Release MON to turn auto-squelch back on.

To send a page, press CALL. The TX/LO BATT indi- cator lights and a tone sounds on all radios within range that are tuned to the same frequency as your radio.

Important: The FCC does not allow you to send a continuous tone for more than 15 seconds at a time on FRS frequencies. Do not hold down CALL for longer than 15 seconds.

For hands-free operation, connect the supplied headset’s 3/32-inch mini plug and 1/8-inch plug to the receiver’s MIC/SPK jacks. Set VOX to HI (for normal conditions) or LO (if you are in a noisy environment. The radio automatically transmits when you speak and is set to receive when you are not speaking.

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