User manual

Aerosoft PBY Catalina 1.00 Manual
Page 31 of 100
the button will toggle between these 2 positions. The out position is the default position. Functions
requiring the out position include entry into the direct tune mode, active and standby Nav
frequencies exchange in the OBS, bearing, and radial modes, resetting the count-up timer, and
entering and exiting the count-down timer mode. Functions requiring the in position include active
and standby Nav frequencies exchange in the default screen, direct active frequency change in the
OBS, bearing and radial modes, and entering data, stopping, and resetting the count-down timer.
7. NAV FREQUENCY TRANSFER BUTTON: This button is used primarily to exchange the active and
standby navigation frequencies. In the default screen the NAV FREQUENCY SELECT INNER KNOB
must be in the "in" position, and in the "out" position in the OBS, bearing, and radial modes for the
exchange to occur. This button is used to enter the direct tune mode, to reset the count-up timer,
and to stop and/or reset the count-down timer. It is also used to enter and exit the count-down
timer mode.
8. NAV MODE BUTTON: Used to sequentially step through the different navigation screens. Clicking
the button at the last screen will "wrap around" to open the default screen.
9. NAV IDENT BUTTON: Turns on Nav IDENT when toggled to the out position. The corresponding
Nav "on" annunciator on the GMA 340 will illuminate.
10. COM FREQUENCY SELECT KNOBS: An outer and an inner knob. The outer knob
increments/decrements the communications frequency in 1 MHz steps, and the inner button
increments/decrements in 25 kHz steps. The outer knob is increased by clicking on the letter A at the
upper right side of the knob and decreased by clicking on the letter B at the left. The inner knob is
increased by clicking on the letter C at the bottom right, and decreased by clicking on the letter D at
the bottom left. The COM FREQUENCY SELECT KNOBs are also used to enter frequency values in the
direct tune and page modes. The knobs increment/decrement the values as discussed above. The
inner, kHz knob, is also used to step through the pages and channels of the page and channel modes,
respectively.
11. CHANNEL MODE BUTTON: Used to enter and exit the page and channel modes.
12. COM FREQUENCY TRANSFER BUTTON: This button is used primarily to exchange the active and
standby communications frequencies. No other buttons are required for the exchange. This button is
also used to enter the direct tune mode, and to allow the entering of frequencies in the page mode.
POWER
Power the unit on by clicking the ON/OFF BUTTON. Make sure it is OFF when the engines are being
started.
SETTING FREQUENCIES
Set Com and Nav frequencies using the COM- and NAV- FREQUENCY SELECT KNOBS, respectively.
The active frequencies can be entered in two ways:
1. Dial the desired number in as the standby frequency and then click on the COM or NAV
FREQUENCY EXCHANGE BUTTON to place the entered number into the active frequency (note: the
NAV FREQUENCY SELECT KNOB must be in the "in" position to exchange the Nav frequencies)