10
34
OPTION INSTALLATIONS
■
Opening the receiver’s case
Follow the case and cover opening procedures shown
here when you want to install an optional unit or adjust
an internal unit, etc.
CAUTION:
DISCONNECT the DC power cable
from the receiver before performing any work on the
receiver. Otherwise, there is danger of electric shock
and/or equipment damage.
q
Remove the 2 screws from the left side of the re-
ceiver to remove an optional carrying handle, if nec-
essary.
w
Remove the 4 screws from the top of the receiver
and 4 screws from the sides, then lift up the top
cover.
e
Remove the 2 screws from the bottom of the re-
ceiver, slide the cover backward, then remove the
bottom cover.
The UT-102 announces the received frequency,
mode, S-meter level and current time in a clear, elec-
tronically-generated voice, in English (or Japanese).
➥
Push [LOCK] for 2 sec. to announce the frequency,
etc.
q
Remove the top cover as shown above.
w
Remove the protective paper attached to the bot-
tom of the UT-102 to expose the adhesive strip.
e
Plug UT-102 into J1271 on the MAIN unit as
shown at right.
r
Return the top cover to its original position.
■
CR-282
HIGH STABILITY CRYSTAL UNIT
By installing the CR-282, the total frequency stability
of the receiver will be improved.
q
Remove the top cover as shown in the diagram
above.
w
Remove 5 screws from the PLL unit, disconnect
P1 from J491 (MAIN unit), then remove the PLL
unit.
e
Remove the supplied internal crystal and replace
with the CR-282.
r
Adjust the reference frequency at L2 using a fre-
quency counter.
t
Return the PLL unit and top cover to their original
positions.
PLL unit
MAIN unit
CR-282
Internal
crystal
Connect a frequency counter
here and adjust the frequency
to 60.00000 MHz.
L2
PLL unit
■
UT-102
VOICE SYNTHESIZER UNIT
