Quantcast LOOP CURRENT ADJUSTMENT

 

Click here to make tpub.com your Home Page

Page Title: LOOP CURRENT ADJUSTMENT
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Back
REGULATED VOLTAGE ADJUSTMENT
Up
TM-11-5805-387-34-2 Modem Radion Teletypewriter MD-522A/RC (NSN
Next
LOOP CURRENT ADJUSTMENT (cont)
TM 11-5805-387-34-2
PROCEDURE
INDICATION
NO
1. Set power ON/OFF switch to ON.
+ 22 volts dc 0.2
Go to 2
2. Adjust +22 V ADJ potentiometer A9R11 until
multimeter reading is correct.
3. Connect multimeter's positive probe to
+ 20 volts dc 0.1
Go to 4
+20V REG test point on module A1.
4. Adjust +20 V REG ADJ potentiometer
A1A2R4 until meter reads 20 vdc 0.1
5. Set ON/OFF switch to OFF. Disconnect test
setup.
2-15. LOOP CURRENT ADJUSTMENT
Test Equipment
Multimeter TS-352B/U (set up for current measurement)
Test Connections
Connect multimeter's positive lead to pin A of DC LOOP NO. 1 DX SENDIOWR connector J6. Connect
ground lead to pin C of connector J6.
Remove dust cover from loop battery module A5.
Modem Settings
CONTROL OR SWITCH
SETTING
MODE SELECTOR
85 HZ
AUTO MARK HOLD
ON
SCOPE INTENSITY
FULLY CCW
2-35

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc.