Technical data

B KY 96A, KY 97A
Rev 5, Apr 2003 MM 006-05674-0005.dwd Page 5-4
5.3 PERFORMANCE TEST PROCEDURE
This section is a cover on return-to-service performance test. The unit shall pass this
performance test after removal of covers, modification, alignment, or repair of the unit
before return to service. The performance test can also be used to locate faults within
the radio.
TEST DATA SHEET Serial No. _________
5.3.1 Control Functions
NOTE: The term “OK” indicates that particular function is operating properly.
5.3.1.A. Display: ___OK viewing angle (straight on).
5.3.1.B. Frequency Controls:
Increment Roll Over Characteristics Decrement Roll Under Characteristics
MHz___OK 135 to 118 MHz MHz___OK 118 to 135 MHz
136 to 118 MHz 118 to 136 MHz
kHz___OK 0.975 to 0.000 kHz kHz___OK 0.000 to 0.975 kHz
5.3.1.C. Transfer Button: ___OK (switches from an active to standby frequency).
5.3.1.D. Remote Transfer: ___OK (switches from an active to standby frequency).
5.3.1.E. Chan Button: ___OK (enters channel mode).
5.3.1.F. Remote Channel Increment: ___OK (increments channel).
5.3.1.G. Program Secure: Channel program secured ___OK.
Channel un-program secured ___OK.
5.3.1.H. Dim Select:
open position ___OK (Display brightness follows 13.75 V lighting bus).
grounded position ___OK (Display brightness follows 27.5 V lighting bus).
aircraft supply position ___OK (Display at half brightness).
5.3.1.I. Memory: ___OK.
When unit is turned “OFF” and then back “ON” that the last display status is
the same.
5.3.1.J. 25 kHz Switch: ___OK
The 25 kHz switch increments in steps of 25 kHz.
5.3.2 Receiver