Piper SEMINOLE PA-44-180 Information Manual page 335

PA-44-180, SEMINOLE
SECTION 4 - NORMAL PROCEDURES
To operate as an Automatic Direction Finder:
• OFF/VOL Control - ON
• Frequency Selector Knobs - SELECT desired frequency.
• ADF SPEAKER/PHONE Selector Switch (on audio control panel) -
SELECT as desired.
• OFF/VOL Control - SET to desired volume level.
• ADF Mode Control - Select ADF mode and note relative bearing on display.
ADF Test (Pre-flight or In-flight):
• ADF Mode Control - Select ADF mode and note relative bearing on display.
• Press the TEST button and note the pointer moves to 90° from its prior
position. Excessive pointer sluggishness, wavering or reversals indicate a
signal that is too weak or a system malfunction.
To Operate BFO:
• OFF/VOL Control - ON
• Frequency Selector Knobs - SELECT desired frequency.
• ADF SPEAKER/PHONE Selector Switch (on audio control panel) -
SELECT as desired.
• ADF Mode Control - Select BFO mode.
• OFF/VOL Control - Set to desired volume level.
SECTION 5 - PERFORMANCE
No change.
SECTION 6 - WEIGHT AND BALANCE
Factory installed optional equipment is included in the licensed weight and
balance data in Section 6 of the Pilot's Operating Handbook and Airplane
Flight Manual.
ISSUED: JULY 12, 1995
REVISED: JANUARY 12, 2001
SECTION 9
SUPPLEMENT 12
REPORT: VB-1616
3 of 6, 9-97