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ALERT TONES
The M-PA uses alert tones or "beeps" to indicate
various operating conditions. Alert tones may be
enabled or disabled via the menu mode if the
"ALERT" feature is programmed. See "ALERT"
MENU for details. The alert tones may be disabled
when the radio is programmed.
CARRIER CONTROL TIMER
This feature, programmable on a per channel
basis, prevents unnecessary channel traffic and ra-
dio damage in the event of a "stuck" mic. If the
programmed timer times-out during a transmission
the radio will sound an alert tone and disable the
transmission. The beeping tone will continue until the
PTT BUTTON is released. Releasing the PTT BUT-
TON resets the timer.
CHANNEL BUSY
If the radio is receiving a signal when the PTT
BUTTON is pressed, an alert tone will warn the
operator that the radio is receiving a carrier and the
transmission will not occur. "RX BUSY" is displayed
and the alarm is sounded as long as the PTT BUT-
TON is pressed. This feature is programmable on or
off on a per channel basis.
RECEIVE ONLY CHANNEL
If the selected channel is programmed as receive
only, the radio will sound an alert tone if a transmis-
sion is attempted. "RX ONLY" is displayed.
RADIO/CHANNEL FAILURE
If the synthesizer is unable to lock correctly on
the selected channel, or another radio failure occurs,
an alert tone will sound. If incorrect programming is
detected or the synthesizer fails to lock, the display
flashes "NO LOCK" then the selected channel’s
name.
OPERATION
POWER-UP
After the battery pack and antenna have been
installed, turn the radio on by sliding the ON/OFF
SWITCH on the battery pack up. After the radio has
completed a power-up self-test, it will begin operation
on the last operating state as displayed in the LCD.
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