Piper ARCHER III Pilot Operating Handbook page 289

PA-28-181, ARCHER lll
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SECTION 4 - NORMAL PROCEDURES
To Operate as an Automatic Direction Finder:
l. OFF/VOL Control
2. Frequency Selector Knobs
frequency display.
3. FRQ Button - PRESS to move the desired frequency from the standby to
the active position.
4. ADF Button (on ADF receiver)
5. ADF Button (on audio panel) - PRESS to activate ADF audio through
headset.
6. SPKR Buuon (on audio panel) - PRESS to activate ADF audio through
cockpit speaker.
7. OFFNOL Control - SET to desired volume level.
8. ADF Bearing
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key. then pressing the BRGI or BRG2 softkey until "ADP' is displayed
in the appropriate Bearing I or Bearing 2 Information Window and the
bearing pointer is displayed on the HSI.
ADF Test (Pre-flight or In-flight):
I. ADF Bullon - SELECT ANT mode and note pointer moves towards the
°
90 position and then disappears.
2. ADF Button - SELECT ADF mode and note the pointer moves without
hesitation to the station bearing. Excessive pointer sluggishness, wavering
or reversals indicate a signal that is too weak or a system malfunction .
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ISSUED: December 22, 2017
REVISED: May 7, 2018
- ON.
- SELECT desired frequency in the standby
- PRESS to activate ADF mode.
- Display ADF bearing on PFD by selecting I. b e PFD soft­
SECTION 9
SUPPLEMENT 2
REPORT: VB-2749
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