6.8
Tuning & Adjustment
M2000-00
31/12/97 Copyright TEL
6.4.7 Selcall Tone Deviation
This is normally preset at 60% of voice deviation. If adjustment is needed, fit
#RV508 (refer to Section 7 for a component description) to the logic PCB, and pro-
ceed as follows.
Adjust #RV508 for ±3kHz (±2.4kHz) [±1.5kHz] deviation reading on the modula-
tion meter.
Check to ensure that no limiting occurs in IC901.
6.4.8 FFSK Adjustment (Trunked Models Only)
6.4.8.1 T203X Radios
Enter test mode (refer to Section 5.8, “Trunked Radios: Test Mode”).
Press the front panel
clear
key .
Adjust #RV599 for ±3kHz ±200Hz (±2.4kHz ±160Hz) [±1.5kHz ±100Hz] deviation
reading on the modulation meter.
6.4.8.2 T2040 Radios
Enter test mode (refer to Section 5.8, “Trunked Radios: Test Mode”).
Select test function 10 using the control head.
Adjust #RV599 for ±3kHz ±200Hz (±2.4kHz ±160Hz) [±1.5kHz ±100Hz] deviation
reading on the modulation meter.
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