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Operating Instructions
Set the correct reception volume using the VOL control (1) whilst the
ground station is answering.
Switch on the squelch (2) (press SQL key again). Weak reception
signals and reception noises are suppressed. The switch-on threshold
of the squelch can be set in the service mode.
NOTES
When
changing
the
mode
(PRESET-ACTIVE
frequency)
automatically stored 2 seconds after the last change took
place. Due to this delay changes which were made
immediately before switching off the transceiver will not
be memorized. Exception: Memory actions are stored by
pressing the STO key (3).
r
Operation of intercom mode
Switch on the IC switch (external). Operate the intercommunication
(IC). If necessary, the IC volume can be adjusted to the noise level of
the aircraft (for adjustment refer to service mode).
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or
the
frequencies
the
change
is
Issue 10/95
r
Calling up the service mode
Switch off the VHF transceiver. Hold the MDE key (4) pressed and at
the same time switch on the unit. The VHF transceiver switches to the
service mode without a unit test. S
and the switch on threshold of the squelch is shown on the right LC
display (8).
NOTES
The settings S q L to Spec. no.: are selected in steps by
l
briefly pressing the MDE key (4) in the service mode. If
the MDE key (4) is pressed at the end of the setting Spec.
no.:, the setting S q L then appears. If a direct return to the
S q L setting is required the MDE key (4) must be pressed
for at least one second.
l
In the service mode the VHF transceiver operates
independently of the settings on the control panel, on the
frequency which was last set as the active frequency.
The user can interlock his equipment configuration
l
settings with the aid of a password. The VHF transceiver
is delivered from the factory without a password. Section
COdE "Entry of password for interlocking the equipment
configuration" describes how to enter a password.
Issue 10/95
Becker AR 3209
q
L appears in the left LC display (7)
Page 21
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