HYT TC-610 Manual page 6

Rotate to CH4 and
SQL level 1 OFF is
set. Press SK1 or
SK2 to enable the
function.
The channel spacing
is wide band.
Low frequency
Short press PTT to
switch frequencies.
Rotate to CH5 and
SQL level 5 OFF is
set. Press SK1 or
SK2 to enable the
W
function.
The channel spacing
is wide band.
Low frequency
Short press PTT to
switch frequencies.
Rotate to CH6 and
SQL level 9 OFF is
set. Press SK1 or
SK2 to enable the
function.
The channel spacing
SQL OFF
is wide band.
Low frequency
Short press PTT to
switch frequencies.
Long press PTT
(≥1.5s) to enter
narrow band on the
above three
channels. Press SK1
N
or SK2 to enable this
function. Short press
PTT to switch
frequencies.
Rx
Low
Voltage
Threshold
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Radio
communication
test set
SSG: -124dBm
MOD: 1KHz
DEV: 3KHz
Filter: 0.3～3KHz
Radio
communication
test set
SSG: -121dBm
MOD: 1KHz
DEV: 3KHz
Filter: 0.3～
3KHz
Radio
communication
test set
SSG: -116dBm
MOD: 1KHz
DEV: 3KHz
Filter: 0.3～3KHz
Radio
communication
test set
SSG: -123dBm
MOD: 1KHz
DEV: 1.5KHz
Filter: 0.3～3KHz
Radio
communication
test set
SSG: -120dBm
MOD: 1KHz
DEV: 1.5KHz
Filter: 0.3～3KHz
Radio
communication
test set
SSG: -115dBm
MOD: 1KHz
DEV: 1.5KHz
Filter: 0.3～3KHz
Digital voltmeter
66
TC-610/620 Service Manual
Adjust the output
signals of SSG to
the squelch
Antenna
SK1 level. Rotate the
Accessory
SK2 Channel Selector
jack
knob to save after
five-point
adjustment.
Antenna
SK1
Accessory Same as above
SK2
jack
Adjust the output
voltage of the
power supply
Power Power and check the
supply port supply alarm level (LED
flashes red and
a warning tone is
heard)
Squelch
Level 1:
-124±1dB
Squelch
Level 5:
-121±1dB
Squelch
Level 9:
-116±1dB
Squelch
Level 1:
-123±1dB
Squelch
Level 5:
-120±1dB
Squelch
Level 9:
-115±1dB
≤6.50V