Assembly Procedure - Icom IC-R71A Instruction Manual

8-4 VOICE SYNTHESIZER UNIT IC-EX310
When this unit is installed, the set announces the displayed
'frequency by pushing the SPEECH switch on the front
panel.
8-4-1 ASSEMBLY PROCEDURE
1. Turn the receiver upside down.
2. Remove the option unit installation plate by unscrewing
the retaining screws as shown in the photo.
Unscrews the screws at ""\"'
3. Insert 8-pin plug of this unit into J12 of the LOGIC unit
as shown in the photo.
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Insert the 8-pin plug to J12.
4. Put the unit beside the front panel, then replace the
option unit installation plate as before. At this time,
put the wires with the 2-pin plugs and 1-pin plug on the
plate.
5. Attach this unit on the plate as shown in the photo.
Then plug the gray shielded wire with 2-pin plug to J2 of
this unit.
ided
6. Adjust its volume and speaking speed if necessary.
(Described below.)
7. Replace the top and bottom covers of the set.
8-4-2 ADJUSTMENT
1. Adjust the volume of the speech and speaking speed
before the top and bottom covers are replaced, if neces-
sary.
2. Connect a power source and turn on the power switch.
3. By pushing the SPEECH switch, the unit is actuated and
announces the displayed frequency in English.
4. The volume of the announce is adjustable with R30 on
the synthesizer unit. Adjust it for comfortable level.
5. By cutting W1 jumper wire, speaking speed becomes
faster.
6. Replace the top and bottom covers of the set.
8-4-3 HOW THE VOICE SYNTHESIZER UNIT
WORKS
1. When '14.231.5MHz" is displayed, and pushing the
SPEECH switch;
"ONE FOUR POINT TWO THREE ONE FIVE MHz",
will be heard.
2. When a blank memory channel is selected;
"POINT MHz",
will be heard.
8-5 HIGH-STABILITY CRYSTAL UNIT
CR-64
8-5-1 FEATURES
This high-stability crystal unit is consisted of a temperature-
592°=