| Tweet |
Custom Search
|
|
|
||
 TM 55-1905-219-14-2
OPERATING INSTRUCTIONS
RADIO RECEIVER R-390A/URR
These instructions are not intended to replace Instruction Books, but to provide ready reference to standard operating
procedure.
Read your Instruction Book
Power distribution panel is located in the Pilot House.
I STARTING THE EQUIPMENT
STEP 1
Turn FUNCTION SWITCH to AGC.
II PREPARING RECEIVER FOR RECEPTION
STEP 1
Turn BFO SWITCH TO OFF.
STEP 6
Turn AUDIO RESPONSE SWITCH
to WIDE.
STEP 2
Turn LINE GAIN to 0.
STEP 7
Turn AGC SWITCH to MED.
STEP 3
Turn RF GAIN to 10.
STEP 8
Turn LIMITER SWITCH to OFF.
STEP 4
Turn LOCAL GAIN to 6.
STEP 9
Turn DIAL LOCK to left until
STEP 5
Turn BANDWIDTH SWITCH to 8.
it stops.
III OPERATING ADJUSTMENTS
STEP 1
Turn MEGACYCLE and KILOCYCLE
STEP 3
Turn DIAL LOCK to right until
CONTROLS to tune desired
it stops.
signal and adjust for max.
carrier level.
STEP 4
Adjust volume with LOCAL
GAIN.
STEP 2
Adjust ANTENNA TRIM for max.
carrier level.
IV STOPPING THE EQUIPMENT
STEP 1
Turn FUNCTION SWITCH to OFF.
2-674
|
||
|
||
