Motorola EP450 service manual Test Name Communications Analyzer Radio Test Set Comments, Test Mode

Performance Checks: RF Test Mode 4-5

Table 4-6. Transmitter Performance Checks

Test Name	Communications Analyzer	Radio	Test Set	Comments
Reference	Mode: PWR MON	TEST MODE,	PTT to continu-	Frequency error to be
Frequency	4th channel test frequency*	Test Channel 4	ous (during the	±200 Hz VHF
	Monitor: Frequency error	carrier squelch	performance	±500 Hz UHF
	Input at RF In/Out	Output at	check)
		antenna
Power RF	As above	As above	As above	Refer to Maintenance
				Specifications
Voice	Mode: PWR MON	As above	As above, meter	Deviation:
Modulation	4th channel test frequency*		selector to mic	VHF, UHF
	atten to -70, input to RF In/			≥ 4.0 kHz but ≤5.0 kHz
	Out			(25 kHz Ch Sp).
	Monitor: DVM, AC Volts
	Set 1 kHz Mod Out level for
	0.025 Vrms at test set,
	80m Vrms at AC/DC test set
	jack
Voice	Mode: PWR MON	TEST MODE,	Remove modula-	Press PTT switch on
Modulation	4th channel test frequency*	Test Channel 4	tion input	radio. Say “four” loudly
(internal)	atten to -70, input to RF In/	carrier squelch		into the radio mic.
	Out	Output at		Measure deviation:
		antenna		VHF, UHF
				≥ 4.0 kHz but ≤5.0 kHz
				(25 kHz Ch Sp)
DTMF	As above,	TEST MODE,	As above	Deviation:
Modulation	4th channel test frequency*	Test Channel 4		VHF, UHF ≥ 3.05 kHz
		DTMF		but ≤3.45 kHz
		Output at		(25 kHz Ch Sp)
		antenna
PL/DPL	As above	TEST MODE,	As above	Deviation:
Modulation	4th channel test frequency*	Test Channel 4		VHF, UHF ≥ 500Hz
	BW to narrow	TPL		but ≤1000 Hz
		DPL		(25 kHz Ch Sp).
*. See Table 4-4

HKLN4215A December 3, 2003