Stryker SR-955HP Alignment Manual Download Page 6

AF sensitivity

choose channel 2, when the SP is maximum, the margin shall be 2.7V

±

3.3V(testing machine set on -47dBm, 

1K    30%) 

HI

CUT  function

choose  channel  2,  when  the  SP  is  maximum,  turn  on  HI-CUT  function,  the  SP  output  shall  reduce 

0.4V

-0.7

V(testing machine set on -113dBm, 1K    30%) 

Note: turn off Hi-cut function after this testing. 

ANL  function

choose  channel  2,  when  the  SP  is  maximum,  turn  off  ANL  function,  the  SP  output  shall  increase  by 

0.8V

-1.2

V(testing machine set on -113dBm, 1K    30%) 

Note: turn on ANL function after this testing. 

RF

 

GAIN function

Choose channel 2

RF

 

GAIN adjust to minimum

  SIDN shall between 8-16dB 

testing machine set on 

-60dBm    1K    30%

 

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FM mode

 

FM sensitivity

choose channel 2, SP output margin between 2- 3V

the SIND on channel 1

2

3shall >11dB 

testing machine set on

-119dBm    1K    1.2K

 

 

SP maximum output margin

choose channel2, when the SP is maximum, the margin shall be 4.7V

±

5.3V, current < 0.8A, 

then adjust SP to 2- 3V, the SIND shall > 33dB,SNR>35dB (testing machine set on -47dBm, 1K    1.2k) 

AF  sensitivity

choose  channel  2,  when  the  SP  is  maximum,  the  margin  shall  between  3.0-3.6V(testing  machine  set  on 

-47dBm, 1K    0.4K) 

ASQ adjust

enter testing mode

choose AQ ON open on just -113dBm

choose AQ OFF turn off just on -116dBm   

ASQ testing

Enter function menu to turn on ASQ function, the SQ shall open on -113

±3

dBm on channel 1,2,3 and SQ off 

on -119dBm. Turn of ASQ function after this testing. 

CTCSS/DCS testing

In FM mode

cut    OP1

OP2 point 

and install optional CTC board

testing the working of CTCSS

DCS decode

testing for first sample only

 

 

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Summary of Contents for SR-955HP

Page 1: ... show RED GREEN BLUE 3 colors make sure the LED work fine before install LCD board B Switch to DIM position The big LCD show DIM 31 adjust channel knob until big LCD show DIM OFF check the changes of darkles the smaller data get darker backlight Check voltage In function menu the LCD xxx Set to N DC the big LCD show voltage The voltage shall be 0 10Vcomapred with the supplied voltage adjust the R5...

Page 2: ... mode frequency need 10 695MHZ 10HZ background noise 40HZ Choose USB mode frequency need 10 6975MHZ 10HZ background noise 40HZ Choose LSB mode frequency need 10 6925MHZ 10HZ background noise 40HZ AFF frequency adjustment Enter testing mode choose AFFXXX display testing point TP514 Choose FM mode frequency need 10 240MHZ 40HZ background noise 40HZ Note1 During alignment choose the minimum deviated ...

Page 3: ...2 send 2K 30 mV signal to MIC MIC GAIN adjust to maximum then adjust W500 to get frequency deviation between 3 5 0 2KHZ the deviation on channel 1 3 shall between 3 4 0 KHZ FM transmitting background noise Choose channel 1 2 3 adjust output power to maximum MIC short circuited the background noise shall 50HZ Power RSSI meter Choose channel 2 1 2 bar for minimum power Display 40 60 for 50W SWR Choo...

Page 4: ...2 1 1 5K 2 1 2K 2 1 2 50K 2 1 3K 6 1 4K 18 13 5K 26 20 AM low Power residual amplitude modulation Choose channel 1 2 3 adjust to minimum power send 1K 30 mV signal to MIC when testing machine on FM residual amplitude modulation need 1 2KHZ AM High power residual amplitude modulation Choose channel 1 2 3 adjust to maximum power send 1K 30 mV signal to MIC when testing machine on FM residual amplitu...

Page 5: ...ND 11db testing machine set on 121db frequency add 1k on main frequency modulation off LSB sensitivity choose channel 1 2 3 SP output margin shall 1 0V SIND 11db testing machine set on 121db frequency add 1k on main frequency modulation off RSSI meter Choose channel 2 adjust W5 to let RSSI 67dBm the meter just in S9 position in channel 1 2 3 when RSSI 5dBm the meter shall full bar and on 110dBm di...

Page 6: ...y choose channel 2 SP output margin between 2 3V the SIND on channel 1 2 3shall 11dB testing machine set on 119dBm 1K 1 2K SP maximum output margin choose channel2 when the SP is maximum the margin shall be 4 7V 5 3V current 0 8A then adjust SP to 2 3V the SIND shall 33dB SNR 35dB testing machine set on 47dBm 1K 1 2k AF sensitivity choose channel 2 when the SP is maximum the margin shall between 3...

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