PRESIDENT Mc KINLEY US 12/24, Service Manual, Page: 13 / 65

5 AM
Channel 20
Middle volume level.
No squelch active
RF gain: MAX
Fine Coarse: Center
NB/ANL/HiCut: OFF
Connect HF generator (27,205Mhz) to
jack antenna adjusted at (-67dBm
± 4dBm
no modulation) and check
S9 on the SRF meter.
6 Weather channel 6
162,500Mhz
Middle volume level
L506 Connect HF generator to jack antenna
adjusted at (-47dBm 1Khz mod 3Khz
deviation), connect a voltmeter to
TP501 and adjust L506 to reach
4V±0,1V.
6 Weather channel 6
162,500Mhz
Middle volume level
Connect HF generator to jack antenna
adjusted at (-117dBm 1Khz mod 3Khz
deviation), connect sinad meter to jack
EXT speaker and check that the
sensitivity is
≥ 20dB ± 2dB.
7 Weather channel 6
162,500Mhz
Middle volume level
RT 501 Connect HF generator to jack antenna
adjusted at (-120dBm 1Khz mod 3Khz
deviation), and adjust RT501 so that
the signal is audible.