User Manual

11
Table 8 Transm itter Perform ance Checks
Test Na m e Sy st e m An a ly z e r Ra d i o Te st Se t Co m m en t s
Referen ce
Frequen cy
Mode: PWR MON 4th
ch an n el test frequen cy❖
Mon ito r: Frequen cy
error. In put at RF In /Out
TEST MODE,
4 CSQ
PTT to con tin uous
(durin g th e
perform an ce ch eck).
Frequen cy error to be ≤
±1.2kHz.
Power RF As above As above,
4 CSQ
As above Refer to Main ten an ce
Specification s page in
fron t of m an ual.
Voice
Modulation
Mode: PWR MON 4th
ch an n el test frequen cy❖
atten to –70, in put to RF
In /Out.
Mon ito r: DVM, ac Volts.
Set 1kHz Mod Out level
for 0.025Vrm s at test set,
80m Vrm s at ac/dc test
set jack
As above,
4 CSQ
As above, m eter
selector to m ic
Dev iatio n : 80 0MHz: ≥
3.6kHz but ≤ 5.0kHz
Voice
Modulation
(in tern al)
Mode: PWR MON 4th
ch an n el test frequen cy❖
atten to –70, in put to RF
In /Out
TEST MODE,
4 CSQ, ou tput
at an ten n a
Rem ove m odulation
in put
Press PTT switch on radio.
Say “four” loudly in to th e
radio m ic. Measure
dev iatio n : 80 0MHz: ≥
3.8kHz but ≤ 5.0kHz
PL Modu-
lation (radios
with con ven -
tion al, clear
m ode, coded
squelch oper-
ation on ly)
Ch an ge frequen cy to a
con ven tion al tran sm it
frequen cy; BW to n arrow
Con ven tion al
coded
squelch
person ality
(clear m ode
operation ) 4
TPL
As above Deviation : 80 0MHz: ≥
500Hz but ≤ 1000Hz
Talkaroun d
Modulation
(radios with
con ven tion al,
clear m ode,
talk-around
operation
on ly)
Ch an ge frequen cy to
con ven tion al talk-
aroun d frequen cy.
Mode: PWR MON
deviation , atten uation to
–70, in put to RF In /Out.
Mon ito r: DVM, ac volts
Set 1kHz Mod Out level
for 25m Vrm s at test set.
Con ven tion al
talkaround
person ality
(clear m ode
operation )
1 CSQ
As above Deviation : 80 0MHz: ≥
3.8kHz but ≤ 5.0kHz
Talkaroun d
Modulation
(radios with
con ven tion al,
secure m ode,
talkaround
operation
on ly) (**)
Ch an ge frequen cy to
con ven tion al talk-
aroun d frequen cy.
Mode: PWR MON
deviation , atten uation to
–70, in put to RF In /Out.
Mon ito r: DVM, ac volts
Mod: 1kHz out level
for25m Vrm s at test set.
Con ven tion al
talkaround
person ality
(secure m ode
operation ).
Load key in to
radio 1 sec.
As above Deviation : 80 0MHz: ≥
3.6kHz but ≤ 4.4kHz
* 800M Hz radios only
** The secure mode, talkaround modulation test is only required for trac mode radios which do not have clear mode
talkaround capability.
❖ See Table 6