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<Test Equipment >
1.
2.
11.
12.
13.
Tester or DVM
@ Input:
Sufficient
RF VTVM
(RF V.M.)
@ Input impedance:
TR=7731
ADJUSTMENT
1 MQ and tess than 2 pF
@ Voltage range:
F.S. =
10 mV to 300V
@
Frequency
range:
150 MHz or greater
Frequency counter (f counter)
@ Minimum
input voltage:
50 mV
@ Frequency range:
DC power supply
150 MHz or greater
@ Voltage
10V to 17V variable
@ Current:
8A min.
RF Power Meter
e Dissipation:
50W
@ impedance:
502
@ Frequency range:
. AF VTVM (AF V.M.)
@ Input impedance:
144 MHz
1 MQ or greater
@ Voltage range:
F.S =
1 mV to 30V
® Frequency range:
. AF Generator (AG)
@
Frequency
range:
50 Hz to 10 kHz
100 Hz to 10 kHz
e Output:
0.5 mV to 1V
Linear detector
@
Frequency
range:
Directional coupler
Oscilloscope
144 MHz
@ With horizontal input and high sensitivity
Standard signal generator (SSG)
@
Frequency
range:
@ Modulation:
amplitude and frequency modulation
144
~
149 MHz
e Output
—20
dB ~
100 dB
AF Dummy
load
e@ 82, 5W (approx.)
Sweep generator
@ Frequency range:
144
~
149 MHz
< Preparation >
Unless
otherwise
specified.
set the controls
as follows.
POWER
/ VOL SW
ON
SEND / REC
REC
SQUELCH
VOL
MIN
M. CH SW
1
M. SW
OFF
M.R SW
OFF
SCAN SW
OFF
HOLD SW
OFF
M.S SW
OFF
TONE
OFF
Hi /LOW SW
HI
25k / 5k (W) (T)
25k
10k / 5k (K) (M)
5k
Notes:
@ When adjusting the trimmers or coils, use a non-induced
adjusting rod of bakelite, etc.
@ When
adjusting the RX section never transmit to prevent
SSG damage.
@ Connect
MIC connector
as shown
in Fig. 11.
DOWN
@
@
sByY
uP
@®
©
GND
sc 6)
@
mic
Fig. 11 MIC terminals (view from front panel side)
@ The output level of SSG is indicated as SSG's ppen circut.
21
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