Uniden MH120 English Owners Manual - Page 12
Operation - m 120
UPC - 506335006200
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Operation • See "Controls and Indicators" (page 2) for button, knob, and key positions. • When you turn On your MH 120 just after purchasing, it is automatically tuned to channel 16, the United States Coast Guard frequency for distress, safety, and calling. • When you press any button (except PTT), a short tone sounds. Turning On the Unit and Setting Squelch 1 Before you turn On the unit, turn the squelch (SQ) knob fully counterclockwise. SPKR MIC SQ VOL 2 Then, turn On the unit by turning the Volume/Power (VOL) knob clockwise until you hear a hissing sound. 3 Turn the SQ knob clockwise, just until the hissing sound stops. Use the knob to adjust Strong Signals to the desired squelch level. Think of the Medium Signals squelch control as a frequency gate which controls access to weak or strong signals Weak Signals depending on its setting. Noise • To listen to a weak or distant station, turn the knob counterclockwise. If reception is poor, turn it clockwise to cut out weak transmissions. • If the squelch control is adjusted so that you continually hear a hissing sound, the unit will not scan properly. 4 To turn Off the unit, turn the VOL knob counterclockwise until it clicks. 10