Page 3-14
Vector-LP Radio Beacon Transmitter Technical Instruction Manual
Issue 1.1
Section 3 Operating Instructions
Table 3-6:
Miscellaneous Control and Exciter Controls and Indicators
REF DES
PANEL
MARKING
DESCRIPTION
A1E1
A1E2
A/B
No user adjustment should be required. Always installed in
position
B
.
A1E3
A/B
No user adjustment required. A link is soldered between pins
1 and 3 for Vector-LP transmitters.
A1LS1
SPEAKER
Provides an audible signal for local monitoring of the
demodulated keyed tone (identification code).
A6E1
or
A9E1
A/B
No user adjustment should be required. Always installed in
position
A
.
A6R31
or
A9R31
GAIN TRIM
Adjusted, when interphase PDM driver PWB is enabled (the
associated exciter is the active exciter). Compensates for
tolerance differences between side 'A' and side 'B' in dual
side transmitters. One or both must be adjusted to set the
PDM pulse train to produce identical RF output levels when
either side is selected (see 4.3.6.10).
A6R59
or
A9R59
DUMP
Not applicable to Vector-LP transmitters.
A7E1
A7E3
or
A10E1
A10E3
A/B
No user adjustment should be required. Always installed in
position
B
.
A7E2
or
A10E2
KEYED CW/
NORMAL
Bi-position selection jumpers that are installed in positions
determined by the type of transmitter. In Vector-LP
transmitters, the jumpers are factory installed in the
NORMAL
position (shorting pins 2 and 3). No user
adjustment is required.
NOTE:
Prefix all items with A2 to obtain complete reference designation.
