Yaesu FT-902DM Instruction Manual page 11

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the internal speaker will be disabled when p lug

is insert e d .

( 16) PTT

This j ack m ay be used for external actuation of

the transmi t ter. As an exam p l e , a footswitch m ay

be connected to this j ack to provide rem ote c on

trol of the transm i t ter relay , leaving the operator ' s

hands free for writing and tuning pur p oses.

7) F S K

l npu t from

the F S K t e rminal m ay b e m ade

through this j a c k . Th e FT-9 02DM is set u p for

1 7 0 Hz shift .

(18) IF OUT 1

Narrow b andwid th 8 . 9 MHz I F ou tput i s avail

able for use with an IF m onitorscope , e tc .

(19) REMOTE

Provide s swi tc h ed 1 3 . 5 VDC for relay c on trol

for external l ow-pass filter units, e tc . As the band

swi tch is rotated,

3 . 5 VD C wi ll appear at variou s

pins on the R E MOTE j ack. Use a VOM to de ter

mine the proper pin for the b and in use.

Key plu g

Ext ernal speaker

ACC plu g

P I N No

EXT

2 GND

3 EXT

4 AGCOUT

5 TX

12V

6 GND

EXT VFO PLUG

Pin plu g

Cooli n g fan

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