TK-2200L
16
■
Frequency and signaling
The transceiver has been adjusted for the frequencies
shown in the following table. When required, readjust them
following the adjustment procedure to obtain the frequencies
you want in actual operation.
Frequency (MHz)
Channel No.
RX Frequency
TX Frequency
1
162.050
162.100
2
150.050
150.100
3
173.950
173.900
4
162.000
162.000
5
162.200
162.200
6
162.400
162.400
7
156.550
156.600
8
168.550
168.600
ADJUSTMENT
Adjustment points
VR1 : Frequency adjustment
BPF : Band-pass wave form test point
CV : VCO lock voltage adjustment terminal
TC1 : Transmit VCO lock voltage adjustment
TC2 : Receive VCO lock voltage adjustment
CV : VCO lock voltage adjustment terminal
Signaling
Signaling No.
RX
TX
1
None
None
2
None
100Hz Square Wave
3
QT 67.0Hz
QT 67.0Hz
4
QT 151.4Hz
QT 151.4Hz
5
QT 250.3Hz
QT 250.3Hz
6
DQT D023N
DQT D023N
7
DQT D754I
DQT D754I
8
DTMF 159D
DTMF 159D
9
None
DTMF tone 9
•
Preparations for tuning the transceiver
Before attempting to tune the transceiver, connect the unit
to a suitable power supply.
Whenever the transmitter is tuned, the unit must be
connected to a suitable dummy load (i.e. power meter).
The speaker output connector must be terminated with a
8
Ω
dummy load and connected to an AC voltmeter and an
audio distortion meter or a SINAD measurement meter at all
times during tuning.
VR1
BATT+
5M
5C
PCTV
BPF
CV
B
SB
CN13
ANT
SP+
SP–
TX-RX unit
Component side view
TC1
TC2
CV
TX-RX unit
Foil side view
S401
PTT
S403
SW1
S402
SW2
J301
EXT. SP/EXT. MIC
Adjustment Frequency
TEST CH
RX
TX
Low
150.050MHz
150.100MHz
Low’
156.550MHz
156.600MHz
Center
162.050MHz
162.100MHz
High’
168.550MHz
168.600MHz
High
173.950MHz
173.900MHz
Antenna
LED indicator
PTT (Push to
Talk) switch
Side 1 key
Side 2 key
Speaker/
microphone
jacks
Channel selector
Power switch/
Volume control
