Northern Airborne Technology THxxx - Manual (Page 79)

SM06 Rev. 4.10 Tac/Com Control Head Manual
NAT NT-150 or WULFS RT-7200 (etc.)
This is the radio type designated for that transceiver slot in the control head (RT1-4),
and will change if either the interface card, the stored software set-up or hardware
jumper selections are changed in the control head. This message is to advise what the
control head thinks should be in that interface slot.
Next, the status of the radio is presented which represents the state of its radio-wide
functions such as transmit power, duplex operation or tones. A summary of all the
selection options will be displayed, unless defeated in the installation software set-up to
speed up turn-on of the control head. This display will produce messages such as
those shown below, for each radio:
POWER=LO, TONES=OFF (etc.)
The control head will continue with each radio in sequence, and will finally position the
cursor (arrow) by the selected radio when it has finished. There may also be messages
such as those shown below, which are system error/alert messages reported by the
Tac/Com control head:
NO I/F BOARD
There is no interface card installed in this specific slot (RT1-4) inside the Tac/Com
control head. This message appears if there are empty slots in the control head, to
warn that the panel controls are inactive.
-- NO RADIO --
When tested by the Tac/Com control head, no radio was found installed in this specific
slot. It may have been removed for service, used in another aircraft, or have the
mating connector disconnected.
-- RADIO OFF --
When checked by the Tac/Com control head, the radio was found to be turned off or
defective (if turned ON at the front panel). This message also appears for Flexcomm
radios if they are removed from the aircraft, as they do not support the -- NO RADIO --
function.
3.4 Front Panel Controls
There are two main groups of controls, and a 2-, 3- or 4-line by 16-character display on
the Tac/Com control head. The first group of controls is 'radio specific', and affects the
operation of only a single radio (there can be up to four installed in a single control
head). The second are general controls that affect the over-all operation of the control
head. The function and relative location of these important groups is as follows:
Jan 4, 2006 Page 3-3
ENG-FORM: 806-0106.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.