HYT TC-580 Service Manual page 47

Switch to and enter
DTMF Dev. WFP1 at
low frequency is set
Communication
by default.
Test Set
Short press UP/DN to
BPF:
switch the frequency.
<20Hz~15KHz
Tune WFP5 in DTMF
AF Genl Lvl: off
Dev, and then press
UP to enter NFP at
low frequency.
Switch to and enter
TX Max Dev. WFP1 at
low frequency is set
by default.
Communication
Short press UP/DN to
Test Set
switch the frequency.
BPF:
<20Hz~15KHz
Tune WFP5 in TX
AF Genl Lvl:
Max Dev, and then
120mV
press UP to enter
NFP1 at low
frequency.
Switch to VOX Gain
and press OK to enter
its menu. Select VOX Communication
Gain1 and enter, and Test Set
set to WFP3. BPF:
<20Hz~15KHz
In the menu of VOX
AF Genl Lvl:
Gain, press UP/DN to
1.5mV
switch among items
from VOX Gain1 to
VOX Gain5.
Switch to and enter
TX Low Batt, and set Digital Voltmeter
to WFP3.
Press SK1/SK2
to tune the
DTMF
Press deviation, and
Antenna SK1/ press OK to
save and exit
SK2
upon
completion of all
settings.
Press SK1/SK2
to tune the
audio deviation,
Antenna Press
and press OK to
Earpiece SK1/
save and exit
Socket SK2
upon
completion of all
settings.
Press SK1/SK2
to begin
sampling. Press
Antenna Press OK to save and
Earpiece SK1/ return to the
Socket SK2 previous menu
upon
completion of
sampling.
Check the
value, adjust the
Power
Power output voltage
Supply
Supply and inspect the
port
emergency
level.
46
TC-580 Service Manual
3±0.1kHz
1.8±0.1kHz
3.9KHz~4.1KHz
1.9KHz~2.1KHz
VOX Gain1:
7.0mV
VOX Gain2:
4.0mV
VOX Gain3:
3.0mV
VOX Gain4:
2.5mV
VOX Gain5:
1.5mV
A. 6.4~6.6V: the
alert tone sounds
to indicate
transmission
inhibition upon
press of PTT.
B. ≤6.2V: the alert
tone will sound to
indicate
transmission
inhibition if PTT is
held down.