Receiver Performance Checks; Figure 5-4. Pushbutton Control Head Key-Closure Displays (W5 And W7); Figure 5-5. Pushbutton Control Head Key-Closure Displays (W9); Table 5-4. Receiver Performance Checks - Motorola ASTRO SPECTRA Service Manual

5-6
KEY 82
KEY 83

Figure 5-4. Pushbutton Control Head Key-Closure Displays (W5 and W7)

Figure 5-5. Pushbutton Control Head Key-Closure Displays (W9)

4. Switch the radio power off temporarily to exit the test mode and return to normal radio
operation.
5.4

Receiver Performance Checks

Test Name
Reference Mode: PWR MON
Frequency 1st channel test frequency*
Monitor: Frequency error
Input at RF In/Out
Rated Audio Mode: GEN
Output level: 1.0mV RF
1st channel test frequency*
Mod: 1 kHz tone at 3 kHz
deviation
Monitor: DVM: ac Volts
Distortion As above, except to distortion
February 3, 2003
KEY 81
KEY 80 KEY 99
PWR
Mode
Vol
DIM
HOME
Mic
KEY 97
KEY 96
MIC PTT: KEY 01
MIC HUB*: KEY 06
IGN SENSE: KEY 07
* TAKE MIC OFF HOOK
KEY 100 KEY 102
KEY 99 KEY 101 KEY 103
XMIT BUSY
Emer Dir Scan
Mode Vol
KEY 83
KEY 81
KEY 80 KEY 82 KEY 96

Table 5-4. Receiver Performance Checks

System Analyzer
Performance Checks: Receiver Performance Checks
KEY 100 KEY 102 KEY 49
KEY 101 KEY 103 KEY 50
1
Phon
Scan Call Sel
4
Sts
XMIT
7 8
H/L
BUSY
Rcl
KEY 52 KEY 58
KEY 55
VIP IN 1: KEY 16
VIP IN 2: KEY 17
VIP IN 3: KEY 18
KEY 104 KEY 49 KEY 51
KEY 52 KEY 50
DIM
1 2 3
Srch Call
Page Rpgm
Site
4 5 6
Phon H/L Lock
Pri
Non
7 8 9
Pri
Sts Msg
0
Rcl Sql Del
Sel Home
KEY 97 KEY 58 KEY 59
KEY 55 KEY 48
Radio Test Condition
TEST MODE, Press and hold
1 CSQ output PTT switch.
at antenna
TEST MODE, Release PTT
1 CSQ switch.
TEST MODE, Release PTT
1 CSQ switch.
2 3
KEY 51
KEY 53
5 6
Msg KEY 54
KEY 56
9
KEY 57
Mon Dir
KEY 48
#
O Del KEY 59
MAEPF-24120-A
KEY 53
KEY 54
KEY 57
KEY 56
Comments
Frequency error to be
± 70 Hz (VHF)
± 150 Hz (UHF)
± 150 Hz (800 MHz)
Set volume control to
6.3 Vrms across the
speaker
Distortion < 3.0%
6881076C20-E
5/9/94
5/9/94