HYT TC-610P Service Manual page 80

Rotate the Channel
Selector Knob to
CH12 and select VOX
Level 4. Press SK1 or
SK2 to enable this
function.
VOX
Rotate the Channel
Selector knob to CH13
and select VOX Level
5. Press SK1 or SK2 to
enable this function.
TX Low
Voltage
Threshold
Rotate the Channel
Selector Knob to CH8
and select the low
frequency.
RX Sensitivity
(Bandpass)
Short press PTT to
switch among
frequencies.
Rotate the Channel
Selector Knob to CH1,
and set it to SQL 1 On.
Press SK1 or SK2 to
Squelch enable this function.
On Channel spacing:
Wide;
Frequency: Low. Short
press PTT to switch
among frequencies.
Communication
Test Set
BPF:
<20Hz-15kHz
AF: 1kHz
Antenna
3.5mV
Earpiece
Communication
Jack
Test Set
BPF:
<20Hz-15kHz
AF: 1kHz
2mV
Power
Digital
Supply
Voltmeter
Port
Communication
Test Set
Antenna
SSG: -119dBm
Earpiece
MOD: 1KHz
Jack
DEV: 3.0KHz
Filter: 0.3-3KHz
Communication
Test Set
Antenna
SSG: -122dBm
Earpiece
MOD: 1KHz
Jack
DEV: 3KHz
Filter: 0.3-3KHz
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TC-610P Service Manual
Apply SK1 or SK2 to
perform adjustment,
and rotate the Channel
Selector Knob to save
it after one-point
SK1 adjustment.
SK2 Apply SK1 or SK2 to
perform adjustment,
and rotate the Channel
Selector Knob to save
it after one-point
adjustment.
Adjust the output
Power
voltage and check the
Supply
emergency level.
Check the bandpass
waveform. Apply SK1
or SK2 to perform
SK1
adjustment, and rotate
SK2
the Channel Selector
Knob to save it after
five -point adjustment.
Adjust the output
signals of SSG to the
squelch level. Rotate
SK1
the Channel
SK2
Selector Knob to
save the value after
five-point adjustment.
5.97V-6.92V
(when
≤6.92V, the
LED flashes;
and when
≤5.97V, the
alert tone
sounds to
indicate
transmission
inhibition.)
Rotate the
Volume
Control
Knob to a
proper level
until the
output
amplitude is
not limited.
SINAD:
≥12dB
Squelch
level (1):
-122± 1dB