5 ) V H F R X A d j u s t m e n t
Condition
Measurement
Adjustment
Specifications
TX/RX
Equipment
Unit
Terminal
Unit
Parts
Method
F requ en cy
f=145.00M H z
TX
Freq. C ounter
P ow er M eter
Back
VH F ANT
Check
+/- 100Hz
P LL V C O
f=145.00M H z
RX
D igital
M ultim eter
VHF
Main
TP1
VH F
VC O
L705
3.00V
0.5V/-1 V
f=145.00M H z
TX
C heck
3.0V +/-1,0V
f=440.00M H z (SUB)
RX
C h eck
2.5V +/-0.8V
Note:
When you set the voltage of VHF RX PD to 3.0V, turn the core of L705 clockwise.
If the voltage can not be set to 3.0V, 2.0V is allowable.
GAIN
f=145.00M H z
RX
Dist. M eter
O scilloscope
Back
V H F S P 2
VH F
Main
L15
L18
S IN A D
M AX
S IN A D is
above 12dB
S en sitivity
f=145.00M H z
SSG O UT: -9.0dB(x
SS G
Dist. M eter
O scilloscope
L15
L18
S IN A D
M AX
S IN A D is
above 12dB
f=138.00M H z (T)
f=173.99M H z
SSG O UT: -4.0d B n
C h eck
S IN A D is
above 12dB
A M
S en sitivity
(T only)
f=118.00M H z
SS G O U T: 5 .0 dB n
RX
C h eck
S/N is
above 10dB
S M eter
f=145.00M H z
SSG O UT: 20 .0 d B n
RX
LCD VH F
S M eter
Front
panel
V HF
Main
VR5
"F ull"
Flashing
SSG O FF
C h eck
Does not light.
S Q L level
f=145.00M H z
SSG O FF
SQ VR: 9 o'clock
RX
VH F
Main
V H F
Main
VR4
Turn VR4
to clo s e
the
squelch
Turn the VHF SQ VR to make sure that the squelch
closes at 9 -1 0 o'clock.
A T T
f=145.00M H z
RX
While pushing FUNC key, push H/L key. The ATT is
lit. Make sure that the receiving sensitivity is attenu
ated about
1
0
~
2udB.
54
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Summary of Contents for DR-610E
Page 32: ...f m 1 k H z T a 2 5 C ro o AF OUTPUT 0 0 1j j F All manuals and user guides at all guides com...
Page 35: ...All manuals and user guides at all guides com...
Page 38: ...FM0076 All manuals and user guides at all guides com...
Page 39: ...0 0 0 UE0116 All manuals and user guides at all guides com...
Page 60: ...P 0 0 All manuals and user guides at all guides com...
Page 64: ...Main Unit 9600bps SP OUT 51 All manuals and user guides at all guides com...
Page 77: ...a 2 CPU B lock D i a g r a m All manuals and user guides at all guides com...
Page 80: ...2 U H F M A IN U N IT All manuals and user guides at all guides com...
Page 81: ...All manuals and user guides at all guides com a l l g u i d e s c o m...
Page 82: ...All manuals and user guides at all guides com...
Page 83: ...V j Ni VHF VCO UNIT All manuals and user guides at all guides com...
Page 84: ...C O UHF PLL UNIT All manuals and user guides at all guides com...
Page 85: ...R 6 1 UHF VCO UNIT 6 UHF V C O PLL U N T All manuals and user guides at all guides com...
Page 87: ...VI O l M R DTMF All manuals and user guides at all guides com...
Page 88: ...9 E H M 3 9 oo m n o cri O C 5 All manuals and user guides at all guides com...