3D Connexion GNS 530(A) Selecting COM and Vloc Frequencies, Changing the standby Vloc frequency

Selecting COM and VLOC Frequencies

While the GNS 530 is acquiring a position, take a minute to dial in the active and standby frequencies to be used for the first phase of the flight. The GNS 530’s display is divided into separate windows (or screen areas), including a COM Window, VLOC Window, and the GPS Window (Figure 1-12).

Active COM	Window	GPS Window
Frequency
Standby
Frequency
VLOC
Window

Figure 1-12 Standby Frequency 135.325 MHz

Changing the standby communication frequency:

1)Press the small left knob if needed, to move the tuning cursor to the COM Window (Figure 1-12).

2)Turn the large left knob to select the MHz, and the small left knob to select the kHz of the desired frequency.

SECTION 1

INTRODUCTION

Placing the standby communication frequency in the active field:

Press the COM Flip-flop Key (Figure 1-13).

Figure 1-13 Active Frequency 135.325 MHz

Once the active frequency has been entered, repeat steps 1 and 2 to enter the standby frequency. After both communication frequencies have been entered, the COM Window may be kept ‘hot’ by leaving the cursor on the standby frequency. Move the cursor to the VLOC Window by pressing the small left knob.

NOTE: When selecting VLOC frequencies, the tuning cursor automatically returns to the COM Window after 30 seconds of inactivity.

Changing the standby VLOC frequency:

1)Press the small left knob if needed, to activate the tuning cursor in the VLOC Window.

2)Turn the large left knob to select the MHz, and the small left knob to select the kHz of the desired frequency.

Placing the standby frequency in the active field:

Press the NAV Flip-flopKey.

190-00181-00 Rev. E GNS 530(A) Pilot’s Guide and Reference 1-9