Icom IC-M25 Instruction Manual page 21

■ Monitor function
The monitor function opens the squelch.
L The monitor key action can be selected in the Set mode.
(p. 17)
z The monitor function is activated by holding down [MONI]
for 1 second.
• " " blinks and the squelch is opened.
■ AquaQuake Water Draining function
Water in the speaker grill may muffle the sound coming
from the speaker. The AquaQuake Water Draining function
removes water from the speaker grill by vibrating the speaker
cone.
L The AquaQuake Water Draining function is not usable when
using the optional speaker microphone.
1. Hold down both [SCAN] and [Hi/Lo] for 1 second.
• " " is displayed.
• A low frequency vibration sounds is heard for 10 seconds to
drain the water, regardless of the volume level setting.
CAUTION: The low frequency vibration sounds loudly.
2. Push any key to turn OFF the function.
■ Setting the Call channel
By default, a Call channel is set in each Channel Group.
You can set your most often-used channel as your Call
channel in each Channel Group, for quick recall.
1. Hold down [16/C] for 1 second to select the Call channel.
• "CALL" and the Call channel number is displayed.
2. Hold down [16/C] again for 3 seconds (until a long beep
changes to 2 short beeps).
• The Call channel number blinks.
3. Push [▲] or [▼] to select the channel.
4. Push [16/C] to set the selected channel as the Call
channel.
• 2 short beeps sound.
• The Call channel number stops blinking.
BASIC OPERATIONS
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