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Raider Installation and Operation Rev. 1.4.2
Motorola MX800 Spectra Repeater (T99 Option) - page 1 of 2
1. Do Not change any hardware components in the repeater.
2. Verify the Firmware version at 2.9.6.
TX Alignment
1. Peak Deviation – Place JMP8 in position 1-2. Inject a 1kHz Sine wave at 2.0Vrms(2.0Vrms set
at source generator into 600 ohms) into Pin 13 of CN1 coupled with a 1uF capacitor. Adjust the
VCO level via MXTools Channel Edit screen to a Max of 1.7kHz.
2. Change the injected level to (1Vp-p) 350mVrms – this level will be the same at the generator
or pin 13 when matched to 600ohms - and set nominal Deviation to 1.5kHz via RV2.
3. Mod Balancing – Change the injected level back to 2.0Vrms and change the frequency to 400Hz.
Adjust the Ref Osc Level (LF Audio) on the Channel Edit screen so that the top and bottom of the
‘square’ wave are flat. Reference the Mod Balance procedure in the MX800 Technical Manual if
necessary.
NOTE: Replace JMP8 to the 2-3 position when deviation tuning is complete.
4. Audio Through Level – Apply 1kHz at 1.1Vrms (1.1Vrms set at source generator into 600 ohms)
to Pin 9 of CN1, set nominal Deviation to +/- 1.5kHz via RV4. (If the input is measured at pin 9
of the DB15, CN1 you should see 550mVrms)
Raider Set-up
1. Set jumpers in the Raider as follows:
W30 – “in”
W22 - “out”
*W26 – remove the jumper and install a 33K jumper (250-600-000).
2. There should be no need to amplify the signal from the Raider to the MX800.
3. Use TMS Cable - RM to Spectra MX800 Rev 1.0 #500-512-000 – align station with Raider and
verify acceptable levels.
Содержание Raider
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