HARRIS CORPORATION M803M Manuel D’Utilisation

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Control Head Unit—CHAPTER 7
Software Version OTP 5.07
M-803 Operator Manual     79
In an installation with Multiple Control Heads,
communications functions are generally shared among
all control heads, while local interface functions like
volume and brightness are independently controlled for
each CH-103.
Single Control Head
In Single Control Head mode, the CH-103 is the sole
user interface for the trunk-mounted mobile and the
full features of the front panel and local speaker.
Features operated by the Control Head unit in Single
Control mode include:
 
Speaker volume
 
Screen brightness
 
Mode selection
 
Voice group selection
 
Emergency mode
Since the radio is controlled by a single control head,
there is no need for the mobile radio unit to arbitrate
control of radio functions.
Multiple Control Heads
The Multiple Control Head configuration organizes
operational functions into an Independent group and a
Shared group.
Independent Functions
Each Control Head in a multi-head installation can be
adjusted for local conditions without affecting the
settings on the other control heads.
Independent control head functions include:
 
Speaker volume
 
Screen brightness
 
Side tones on or off