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12
COMMANDMIC II™ HM-157
New2001
12
Receiving and transmitting
q Push [PWR] for 2 sec. to turn power ON.
w Set the audio and squelch levels.
Push [SQL
L], then push [
ZZ
] until the noise ap-
pears.
Push [VOL
PA/RX ], then push [
YY
] or [
ZZ
] to ad-
just the audio output level.
Push [SQL
L], then push [
YY
] until the noise dis-
appears.
e To change the channel group, push [CH/WX
U/I/C
]
while pushing [H/L]. (p. 44)
r Push [Y] or [Z] to select the desired channel. (p. 44)
When receiving a signal, “ ” appears and audio is emitted
from the speaker.
• Further adjustment of the audio level may be necessary.
t Push [LO/DX SCR
] to turn the receive Attenuator
function ON or OFF, if necessary.
•“LOCAL” appears when the receive Attenuator function is in use.
y Push [H/L] to select the output power if necessary.
•“LOW” appears when low power is selected.
• Choose low power for short range communications, choose high
power for longer distance communications.
• Some channels are for low power only.
u Push and hold [PTT] to transmit, then speak into the mi-
crophone.
• “ ” appears.
• Channel 70 cannot be used for transmission other than DSC.
i Release [PTT] to receive.
Simplex channels, 3, 21, 23, 61, 64, 81, 82 and 83 CAN-
NOT be lawfully used by the general public in U.S.A. wa-
ters.
IMPORTANT: To maximize the readability of your trans-
mitted signal (voice), pause a few sec. after pushing [PTT],
hold the microphone 2 to 4 inches (5 to 10 cm) from your
mouth and speak at a normal voice level.
w Set volume
w Set squelch
t Turn attenuator
function
y Set output power
e Select channel
group
e Select channel
group
q Turn power ON
w Set volume
and squelch
r Set channel
u Push to
transmit
i Release
to receive
Microphone
IC
DW
MONI
DIM
MONI
!IC-M422-3.qxd 06.8.11 9:23 AM Page 45 (1,1)
51


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