Revision 12.2
Jan. 2016
30 / 61
In case there is just one PTT button available and multiple headsets in use
both the PTT-L and PTT-R should be tired together, see also “3.4.5 TXm –
PTT Switch Selection”.
3.6.1 Speciality of two PTT
There are two different PTT assigned for each of the left and right side
microphones. This enables the deactivation of the not used one preventing
additional noise and unintentional talking on transmission.
In case there is just one PTT possible both the PTT-L and PTT-R must be
tired together, see chapter 3.4.5.
3.6.2 Self-test monitor
Operating in the background continuously there is a back ground test
system.
The field for battery status & error (see Control Elements Overview) is
used to indicate warnings and in the case of hardware failure, different
error reports be displayed there.
The warnings are:
BAT Low battery voltage (becomes active < 10,5V)
At transmission
A-match Bad antenna match or antenna defective.
Also while transmitting the TX-flag (left top) will change to:
Te If transmission time has exceed (> 2 minutes)
All other reports starting with Er…. Indicating a major hardware failure and
consequently the radio has to be returned to the factory.
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