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be made aware that since Head 2 does not have an audible reference for volume
adjustment that the LCD indicator should be checked and set to a comfortable low
setting prior to radio usage.
Head 2 should not be used with a headset as the operator could inadvertently be
subjected to extremely loud audio. Head 2 should not be used as the main primary
control head either, the lack of a Volume adjust reference beep makes it more likely
the speaker audio could be set to low and calls are missed.
5) The Busy LED should always be set to "Enabled" (Default: FPU >Optional
Features 1 > Common Page 3). If the Busy LED is set to "Disabled", when the
operator on Head 1 adjusts the radios volume up or down, Head 2 will mute its
speaker audio (the Busy LED affects Head 2 audio gating). This could result in the
operator at Head 2 experiencing interrupted or missed radio calls.
6) Volume Up /Down functions on Head 2 are fixed to the large Up /Down PF keys on
the left-hand side of the LCD (normal factory default position). These keys cannot be
reprogrammed to any other function, nor can the Volume Up/Down functions be
assigned to any other PF keys on the control head. .
Volume key
7) PA Mode:
a. Volume:
i. While in RX the Audio Level are independent between Head 1 and
Head 2 for both Local SP & PA
ii. If the radio is not actively receiving a signal, adjusting the audio level
will track (same) between Head 1 and Head 2
b. While in PA Mode and signal receiving condition on same time, PA audio
may be heard very short period from the speaker of Head 2
c. If PA Mode is enabled and Busy LED is disabled there will be no receive
audio on Head 2. Never disable the Busy LED
d. If PA Mode is enabled – No control tones are heard from Head 2
e. If PA Mode is enabled and during RECEIVE – Control tones are heard from
Head 2
f.
The user feedback tone for PA disable will have a double beep when heard
at Head 2
8) If an external speaker is connected to the 3.5MM jack:
a. Head 1 speaker audio will mute (normal behavior)
b. Head 2 speaker audio will not mute
9) During 2-Tone receive operations:
a. Head 1 – Volume control is not functional (normal behavior)
ii
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