16
WIRELESS OPERATION
68
■ HM-90 switches
➊ PTT SWITCH
➥ Push and hold to transmit; release to receive.
➥ Toggles between transmitting and receiving while the
one-touch PTT function is in use.
➋ BAND SWITCHES [BAND SELECT Y,Z]
➥ Select the desired band as the main band.
➥ Activate the para-watch function when pushed and held
when the main band is selected.
➥ Activate the sub band access function after pushing
[FUNC] on the rear panel.
➌ MONITOR SWITCH [MONI]
Toggles between opening and closing the accessed band’s
squelch.
➍ SQUELCH LEVEL UP/DOWN SWITCHES
[YSQL], [ZSQL]
Vary the accessed band’s squelch threshold point for noise
mute.
➎ FREQUENCY UP/DOWN SWITCHES [UP], [DN]
➥ Push either switch to change the operating frequency,
memory channel, set mode contents, etc.
➥ Push and hold either switch to start scanning.
➏ ACTIVITY INDICATOR [UP], [DN]
Lights red while a key is pushed; lights green while the
one-touch PTT function is in use.
➐ AUDIO VOLUME UP/DOWN SWITCHES
[YVOL], [ZVOL]
Adjust the accessed band’s audio level.
➑ MODE INDICATOR
Indicates the microphone condition.
• Lights red when [FUNC] is pushed.
• Lights green when [DTMF KEY] is pushed.
• Lights orange when [DTMF MEMO] is pushed.
➒ LOCK SWITCH [LOCK]
Locks all switches and keys on the microphone except for
the PTT switch.
➓ KEYPAD
Used for controlling the transceiver, transmitting a DTMF
memory channel, etc.
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