Chapter 2. OPERATING INSTRUCTIONS - TM-11-5831-201-200015

CHAPTER

OPERATING INSTRUCTIONS

Section I. CONTROLS AND SWITCHES

functions of the external controls found on the

2-1. Controls

transmitting and receiving equipments associated

a, General. The functions of the C1611D/AIC

with the C1611D/AIC are described in the tech-

controls and switches are given in b below. The

nical manuals covering these equipments, Refer to

functions of the controls (external controls) in

appendix A and to the applicable aircraft config-

the associated equipments which comprise the

uration manuals.

system in the aircraft, connected to, but not

b. Control Set, Controls and Switches (fig.

mounted on, the Control Set C-1611D/AIC, are

1-1).

given in c below. The complete explanation of the

Function

Sw pos

Control

Applies output of connected radio receiver to earphones of

ON (or up)______

RECEIVERS 1, 2, 3 and 4

headset-microphone.

switches (two-position, locking

Disconnects headset-microphone from radio receiver,

Down ___________

toggle switches),

Applies output of vhf navigation, low frequency navigation,

ON (or up)______

RECEIVERS NAV switch (two-

and marker beacon receivers to earphones of headset-

position, locking, toggle

microphone.

switch ).

Disconnects headset-microphone from vhf navigation, low

Down ___________

frequency navigation, and marker beacon receivers.

Connects earphones of headset-microphone to interphone sys-

ON (or up)______

RECEIVERS INT switch (two-

tem,

position, locking, toggle

Disconnects headset-microphone from interphone system.

Down -----------

switch).

Adjusts earphone volume from interphone system and all

VOL control (rotary knob

radio receivers except the low frequency navigation and

control ).

emergency receivers.

Connects radio receiver-transmitter 1, 2, 3, or 4 to the headset-

1, 2, 3, or 4 ______

Transmit-interphone selector

microphone for air-to-air and air-to-ground voice communi-

switch. ( Six Position rotary).

cation.

Connects headset-microphone to the intercommunication

INT ____________

system ( interphone line).

Connects headset-microphone to the private intcrphone line.

PVT ------------

c. External Controls (Remote) A s s o c i a t e d

Equipment.

Function

control

Sw pos

Connects microphone output to radio transmitter input

Transmit-interphone talk switch

Transmit --------

through control set.

(three-position push-to-talk

switch ).

Connects microphone output to interphone line through con-

Interphone

------

trol set.

Disconnects microphone from control set.

off ------- -----

Connects microphone output to control set.

Crew station talk switch (two-

Depressed _______

Disconnects microphone from control set.

position, push-to-talk switch

Released------

Connects microphone output to control set without holding

Hot mike switch, (two-position, ,

___

crew station talk switch operated.

locking type, switch ).

NOTE, This switch is normally used

Disconnects microphone output from control set.

Off

---

with . ,ner the transmit -interphone

talk switch or crew station talk

switch to connect the microphone to

the interphone line without holding

a push-to-talk type switch operated.

2-1