E F Johnson Company 2425372 ユーザーズマニュアル

Indicates a telephone (interconnect) call has been initiated.

Indicates that voice encryption is enabled or that an encrypted call is being received. 
This indication flashes when an encrypted call is received on a digital channel. Refer 
to Section 11.2.6 for more information.

MON

 - 

Indicates that the conventional monitor mode is enabled by taking the microphone 

off-hook or pressing the MON option switch. This disables squelch control features 
so that all messages on the channel are heard. Refer to Sections 5.1 and 5.2 for more 
information. The radio can also be programmed so that this indication is displayed 
when the Normal mode is selected by the Normal/Selective function (see 
Section 5.4.1).

The lines above the zone and channel displays indicate which display is changed if 
the Select switch is turned. To switch between displays, press the Select switch (see 
Section 3.4.2).