After takeoff and on climb the reporter noticed he was squawking the emergency transponder code 7700...

Attributes
ACN	287860
Time
Date	199411
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : cps
State Reference	IL
Altitude	msl bound lower : 3500 msl bound upper : 3500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : cps
Operator	general aviation : instructional
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	climbout : initial climbout : takeoff ground : preflight
Flight Plan	VFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 31 flight time total : 123 flight time type : 123
ASRS Report	287860
Person 2
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Events
Anomaly	non adherence : far other anomaly other
Independent Detector	other other : unspecified cockpit
Resolutory Action	flight crew : overcame equipment problem
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Airplane taken from hangar-transponder set to 7700 when I noticed it, I was approximately 3 mi south of cps. I then changed it to 1200 ft and continued my flight.

Original NASA ASRS Text

Title: AFTER TKOF AND ON CLB THE RPTR NOTICED HE WAS SQUAWKING THE EMER XPONDER CODE 7700.

Narrative: AIRPLANE TAKEN FROM HANGAR-XPONDER SET TO 7700 WHEN I NOTICED IT, I WAS APPROX 3 MI S OF CPS. I THEN CHANGED IT TO 1200 FT AND CONTINUED MY FLT.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.