Embraer EMB145, Operation Manual

Page: 2297 / 2662

AIRPLANE
OPERATIONS
MANUAL
NAVIGATION AND
COMMUNICATION
REVISION 31
2-18-11
Page
39
Code
01
5 - SQUELCH LEVEL
−
Identifies the Squelch Level. Available levels are MIN, MED and
MAX.
−
Pressing the associated Line Select Button changes the
Squelch Level.
6 - ACT MODE (ACTIVE MODE)
−
Pressing the associated Line Select Button changes the active
mode of operation (Simple, Split, Emergency and ITU).
7 - TRANSFER FUNCTION
−
Pressing the associated Line Select Button switches the
information in the preset and active windows. The STO key
must be pushed in order to save the information in the memory
location.
8 - ACTIVE HF TRANSMISSION FREQUENCY
−
Identifies the Active HF Transmission Frequency.
−
Color: Green.
−
Pressing the Upper Line Select Button positions the cursor
around the active frequency.
−
If in Split Mode, pressing the Upper Line Select Button positions
the cursor around the Receive Frequency. It also toggles
between the active Receive and Transmission frequency.
−
If in Emergency or ITU mode, holding the Upper Line Select
Button displays the corresponding frequency and emission
mode, and releasing it returns the display to the active channel.
−
Pressing The Lower Line Select Button positions the cursor
around the active frequency.
−
If the cursor is already positioned in the active frequency, the
Lower Line Select Button toggles through the different emission
modes (UV, LV, UD, LD, AM and CW).
−
If in Split Mode, the Lower Line Select Button positions the
cursor around the Transmission Frequency. It also toggles
between the active Receive and Transmission frequency.
−
If in Emergency or ITU mode, holding the Lower Line Select
Button displays the corresponding frequency and emission
mode, and releasing it returns the display to the active channel.
−
After setting the frequency, pushing the PPT button momentarily
initiates the antenna tuning.