PRELIMINARY OPERATIONAL CHECKS
If all switches under HIGH-PASS(HZ) are out, 10 is displayed. Press 10 switch, 10 remains displayed.
Press 30, 300 and 3000 in turn. Each number in turn will be displayed.
If all switches under LOW-PASS/DE-EMPHASIS (kHz)(uS)are out, 3 is displayed. With the green OUT-IN
switch out, press 3, 15,120 and 200 switches in turn. Respective numbers are displayed. Press green
OUT-IN switch in. 6 dB/OCT is displayed. In turn press 750, 75 and 50 switches. Respective numbers will
If all PEAK switches are out, a + is displayed. Press the + switch and a + is displayed, press the - switch
and a - is displayed. Press PK - PK switch and a is displayed.