Mode: selects 3 display pages.

  1. Default is 2-line frequency display. The top line is the active frequency. Bottom line is the change or Stnby (standby) frequency. Turning the knob left or right will change the Mhz (121, 122, 123 etc) Press the knob once to activate the kHz change (025,050,075 etc) the cursor will underline the KHz, (after 5 seconds of inactivity it will revert to Mhz). To transfer the standby frequency to the active simply hit the transfer (arrowed switch) once. The active and standby frequencies will now have switched over. Remember the top line is always the active frequency.
  2. Push mode again to access the memory display- there are 25 memory channels that can be displayed. Turn the knob left or right to move the channels up or down. To scan hit the arrow key. To stop scanning hit the arrows or activate the PTT. Note: if the memory channel is empty it will not be displayed.
  3. Push in the mode again to display the memory-programming page.

External memory toggle: In the active/stnby mode it acts as a flip flop switch, in memory screen it toggles up by one or hold down for 3 seconds and it will enter scan.

6.3 Memory programming


  1. The top line should read memory channel 1 (1 to 25).
  2. Select the required memory number with the up / down dial.
  3. Next push the dial to select the bottom line Mhz.
  4. Now enter the desired frequency .
  5. Push the dial again to enter the KHz and adjust.
  6. Next hold down the arrows button for 1 second then release, the memory number will flash then programmed will appear.  You now have a programmed memory channel.
  7. Repeat this operation for other memory channels.
  8. Up to 25 channels can be programmed.
  9. Only programmed channels will be displayed.
  10. To delete a channel hold down the priority switch.
  11. By programming a frequency into Memory 25 this will give you a priority selection, this is useful for storing the emergency channel 121.5 etc.

6.4 Operation of intercom


Operation of the intercom is simple. The intercom uses the radio sidetone facility and the intercom switch simply enables or disables the hot mike intercom. Use optional Microair relay board for Pilot/Co pilot switching if required, Part No. RB01 or RB02 refer to the appendix for a description of this item.

Page 13