Abell S1 - Page 41

S1 Service manual
41
Test
Equipme
nt
Terminal Part
s
Method
1 ． Band
pass-filter
1) CH：RX center
2)Tra generator output
-40dBm
Connect the spectrum
analyzer to L45 termina
Tra
generator
Spectrum
Analyzer
ANT
L45
TC1
TC2
Adjust the frequency
so that it becomes the
spectrum waveform
shown in fig1.
the adjustment of PMR446
version is the same as
D02
2 ． Max
Audio
Lever
1)CH：Rx center
SSG output：-47dBm(1mV)
MOD：1KHz
DEV：±3.0KHz(Wide)
±1.5KHz(Narrow)
test ≥1.0V
3 ． Sensiti
vity
1)CH：RX center
CH：RX LOW
CH：RX HIGH
SSG output ：
-116dBm(0.35µV)
MOD：1KHz
DEV：±3.0KHz(wide)
±1.5KHz(narrow)
test
SINAD：12dB or more
1)CH：RX Centre
MONI：open
2) level 5
SSG output：-123dBm
level 5 to close the
squelch
Squelch must be off
4. Squelch
Level ( PC
mode)
SSG
Oscillosco
pe
AF.V.M
Distortion
meter
Antenna
Speaker
PC
mode
Transmitter section
Measurement Adjustment
Item
Condition
Test equipment Terminal Parts Method
Specification/
Remark
1．Transmit
(PC mode)
1)CH：TX center
PTT：On
F. counter VR2 Adjust to center
frequency
Within ±150Hz
Adjust to power
high 1.15W
±0.05W 2. Output
Power
(PC mode)
1)CH: TX centre,
Battery terminal: 4.0V
PTT: ON
Power meter
Ammeter
Antenna
Adjust to power
low 0.55W
±0.05W