LIGHT. Enables monitoring REPLY
indicator for mode 4 operation.
OUT. Deactivates monitor mode.
MODE 3/A code selectors. Select desired
reply codes for mode 3/A operation.
MODE 2 code selectors. Select desired
reply codes for mode 2 operation. The cover over mode
select switches must be slid forward to display the
selected mode 2 code.
MODE 1 code selectors. Select desired
reply codes for mode 1 operation.
MODE 4 TEST-ON-OUT switch. Selects
test mode of Mode 4 operation.
TEST. Activates built-in-test of mode
ON. Activates mode 4 operation.
OUT. Disables mode 4 operation.
MODE 4 code control. Selects preset
mode 4 code.
M-C, M-3A, M-2, and M-1 switches. Select
test or reply mode of respective codes.
TEST. Activates self-test of selected
code. Transponder can also reply.
ON. Activates normal operation.
OUT. Deactivates operation of
POS IDENT pushbutton (control wheels,
fig. 2-24). When pressed, activates transponder
Transponder Normal Operation.
STBY. Depending on type of receiver installed, TEST/
MON NO GO indicator may illuminate. Disregard this
Make no checks with the master
switch in EMER, or with M-3/A codes
7600 or 7700 without first obtaining
authorization from the interrogating
Allow set two minutes to warm up.
Select codes assigned for use in
modes 1 and 3/A by depressing and
releasing the pushbutton for each
appears in the proper window.
Lamp indicators Operate press-to-
M-1 switch Hold in TEST. Observe
no annunciators illuminate.
M-1 switch Return to ON.
Repeat steps 4 and 5 for the M-2, M-
3/A and M-C mode switches.
MASTER control NORM.
MODE 4 code control - A. Set a
code in external computer.
MODE 4 AUDIO OUT switch OUT.
Modes 1, 2, 3/A, and/or 4 operating
If the external security computer is not
installed, a NO GO annunciator will
illuminate any time the Mode 4 switch is
moved out of the OFF position.
MASTER control NORM.
M-1, M-2, M-3/A, and/or MODE 4
ON-OUT switches ON. Actuate
corresponding to required codes.
The remaining switches should
be left in OUT position.
MODE 1 code selectors Set (if
MODE 3/A code selectors Set (if
MODE 4 code control Set (if
transponder set is replying to SIF
MODE 4 AUDIO OUT switch Set
(as required to monitor mode 4
interrogations and replies).
MODE 4 audio and/or indicator
Listen and/or observe (for mode
4 interrogations and replies).