Electronics International R-1-N1 - Manual (Page 15)

Signal Pickup:
Connects to Left and Right Mag Leads through isolators. Safety insured by additional in-line isolators
located in the unit. Instrument will operate on Mags, CDIs and automotive ignition systems. No
cables or mechanical connections required.
Tach Time:
Keeps a running total time for RPM readings at or above 1300 RPM. Time is stored in memory for
life. There are no internal batteries and power is not required to keep memory alive. Maximum
reading is 99,999.9 hours. Displayed in .1 hour increments.
Automatic Flight Time:
Resets to "00.00" and starts timing when RPM reading reaches or exceeds 2000 for 10 seconds. Stops
Flight Timer and holds reading in memory when RPM drops below 1200 RPM for 10 seconds. Maxi-
mum reading is 99.59 (99 hours and 59 minutes). Displayed in 1 minute increments.
Peak RPM:
Operates in conjunction with the Automatic Flight Timer. Stores the highest RPM for the flight. For
an RPM to be recorded as "peak" it must exceed the last recorded peak RPM for 3 seconds or longer.
External Warning Control Line:
Grounds when any Red Warning Light is on or blinking. Current should be limited to 2/10 amp.
STC Information STC Information STC Information STC Information STC Information
The R-1 is TSO'd, STC'd and PMA'd as a primary instrument. If you have any question on which
aircraft are included on our Approved Model List (AML), please call our factory.
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Rev. A: 6/16/92