HYT TC-610 Service Manual page 29

Low frequency
Press PTT to
switch
frequencies
(medium-low,
medium,
medium-high
and high)
Rotate
CH6, CH7 and
CH8
respectively
and CTCSS is
set
medium
Wide high.
PTT to enable
this function.
Wide band
CTCSS
Short
Deviation
PTT to switch
frequencies on
each channel.
Long
PTT (≥1.5s) to
enter
band on CH6,
Narrow
CH7 and CH8
and short press
PTT to switch
frequencies.
Low Tx Voltage
Threshold
Low voltage
Power-Off Level
other
to
to low,
and
Press
Radio
communication test
press
set
LPF:0.3KHz
press
narrow
Digital voltmeter
Digital voltmeter
Adjust VR601 with a
ceramic alignment
screwdriver and check
each frequency.
Adjust finely with SK1
and SK2 to limit the
CTCSS deviation to
VR601 the required range if
Antenna SK1 necessary.
SK2
Check
Adjust the output
Power
Power voltage of the power
supply
supply supply and check the
port
alarm level
Adjust the output
Power
Power voltage of the power
supply
supply supply and check the
port
power-off level
29
500-800Hz
300-500Hz
6.2V-7.0V(≤7.0V:
LED flashes;
≤6.2V: the alarm
tone sounds and
transmission
suspended)
<5.80V