Piper Arrow PA-28R-201 Pilot Operating Handbook page 308

PA-28R.201, ARROW
SECTION
7-DESCRIPTION
ANT (Antenna) Mode
The ANT (antenna) mode
audio reception clarity and is normally used for station identification.
ADF Mode
Automatic Direction Finder (ADF)
activates the bearing pointer. The bearing pointer will point in the directionof
the station relative to the aircraft heading.
Selector Controls
Frequency
Three controls are used to select the system operating frequency. The right
hand control selects 1
increments, and the left hand control 100
SelfTest Switch
Pressing and holding the spring loaded selftestswitch while in
willcause the bearing pointer to rotate 90 degrees from its priorposition if the
system is operating properly. When
ADF-650
bearing pointer should promptly return to its starting point. At this time,
normal operation is restored.
ON/OFF/VOL/ID
This control performs three independent functions. In fullccw position, no
power is applied to the system; rotating the control cw
continued rotationincreases volume. Pulling the knob out enhances the Morse
code stationidentifier w hen background noise is present;push the knob to hear
voice transmissions. A good operating practice is to pull the knob out for
station identification purposes
identification has been made.
12, 1995
ISSUED: JULY
SEPTEMBER
REVISED:
HB-PQY, Page: 9-61-(0)
AND OPERATION
cannot be used for navigation; thismode enhances
mode
kHz increments,
Control
and then push it back
2000
14,
Revision: 5, SEPTEMBER 14, 2000
SUPPLEMENT
(continued)
is used for navigation. This mode
the center control 10
kHz increments.
the testswitch is released, the
applies power
in after positive
REPORT:
SECTION 9
9
kHz
the ADF mode
and
VB-1612
9-61
5 of 6,
9-61