Micom 3T Operations Instructions Page 27

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Familiarization with MICOM-3 Radios
9
RF Level Indications
Indication Meaning
Strong received signal
Weak received signal
Relative indication of received RF signal, displayed when the radio is in
the receive mode
Full transmit power
(125W)
Actual transmit power
Low transmit power
Transmit bar appears when the radio is switched to the transmit mode
(for example, when the PTT is pressed). Its length indicates the MICOM-
3 maximum transmit power, 125 W.
The height of the inverted triangle indicates the relative transmitter
output (forward) power. It fluctuates as a result of modulation.
The relative reflected power is indicated by the base line: its length
indicates the fraction of power reflected because of antenna VSWR (the
length should be small relative to the total height of the indicator, which
is proportional to the forward power)
Audible Indications
The user can configure the MICOM-3 to generate audible tones to indicate events related to the
radio operating conditions. The tone volume, low or high, may also be set using the RSS, MRC or by
programming from the front panel.
Event Description
Valid key pressing Beep sounds when a key is pressed, to indicate that the key pressing has been
accepted. No beep – no action.
PTT release A beep sounds on the remote radio to indicate that the local PTT button has
been released.
ALE alerts During ALE operation, beeps alert you to events you should be aware off, e.g.,
link establishment/disconnection etc.
Reflected
Power
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