VAL AVIONICS LTD
INS 429 INTEGRATED NAVIGATION SYSTEM
INSTALLATION AND OPERATOR’S MANUAL
3.2.1.3 External Mode
When the Active Frequency display shows “Extern”, and the Standby shows “Mode”, the external mode
function can be turned selected. When this function is “Off”, the frequency selection will rollover from
117 MHz to 108 MHz with no “Ext” shown in the frequency display. This setting is typical for an
installation that does not utilize the External Navigation inputs. “Anl” selects the analog inputs and enables
the “Ext” selection in the frequency display.
Original Issue Page 13 of 21
August 2008
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