Crane Song AVOCET II - Manual (Page 54)

54
CK the stepped attenuator
analog input 1 apply a square wave 5V p-p, 1KHz
look at the output starting at max output
check for level change in proper sequence anc correct wave shape
If there is a problem at the max setting the other adjustments
may have to be redone
With 1 volt on ANA1 check, both inputs, the phones, main and mono outputs on the aux connector
With PHONES MAIN selected and the phones gain at max
mono = 1.5Vp-p on the scope
If you hit the pase button the mono output should cancel to 0
Phones = 2Vp-p
Phones = jack 3.1 Vp-p
L,R channel output = 1.5Vp-p
.005V rms on the talk mic input should result in 15Vp-p at the phones output on the accessory
connector. Adjust talk mic gain
Test direct control inputs
talk
mute
solo