input Rig test point
Audio board frequency block assignment
Momentarily connect audio board TP5 to TP22 (enter Set-up mode)
Note
Entering Set-up mode is not necessary if the Alternate Method is exercised.
Using the test key pad navigate to the "Block" screen.
Press UP or DWN button on the test panel key pad to change unit to desired Block
block= (set freq block 470,19-33, 944 standard 400-999 extended)
Turn DUT Off then back On and check to see if the Block set.
VCO adjustment & VCO start-up test
Using the test key pad navigate to the "Freq." screen
Press MENU/SEL and UP button simultaneously to change frequency to highest frequency. (pressing MUNU/SEL
and UP simultaneously will step the frequency up in increments of 16 only pressing the UP or DOWN buttons will
only increment by 1)
channel=XX
set channel (0(00) to 1020 (ff) in normal
tuning mode, 80 is 512)
Adjust radio board C1 for +2.5 VDC at radio board TP1
+2.0 to +2.6 VDC
(+2.5)
No DC power in at battery contacts
Wait until transmitter completely powers down (approx. 4 sec)
Apply +3.0VDC, 500mA current limit in at battery contact J8 (J9 is circuit common)
Hold Power button for 3 seconds (make sure unit come on).
Measure carrier signal power to be sure the VCO starts on power up at selected
carrier frequency
≥
+10 dBm
Using the test key pad navigate to the "Freq." screen
Press MENU/SEL and UP button simultaneously to change frequency to lowest frequency. (pressing MUNU/SEL
and UP simultaneously will step the frequency up in increments of 16 only pressing the UP or DOWN buttons will
only increment by 1)
channel=XX
set channel (0(00) to 1020 (ff) in normal
tuning mode, 80 is 512)