Kenwood TS-590S - Manual (Page 79)

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INSTALLING OPTIONS
You will require a #1 Philips screwdriver to install the
VGS-1 or SO-3 TCXO. You will also need a soldering
iron (approx. 30 watts) to install the SO-3 TCXO.
Switch OFF the transceiver power and unplug the DC power
cable before performing any installations.
REMOVING THE BOTTOM CASE
When installing the optional VGS-1 or SO-3 TCXO,
remove the bottom case of the transceiver:
1 Remove the 10 screws.
2 Lift off the bottom case.
VGS-1 VOICE GUIDE & STORAGE UNIT
1 Remove the shield cover (4 screws).
2 There are 5 rubber cushions in the VGS-1
package. Use the 2 rubber cushions shown below
(20 x 30 x 2 mm and 21 x 21 x 2.5 mm) and attach
them to the VGS-1.
• The remaining cushions are not used.
3 Plug the VGS-1 into the VGS-1 connector of the
PC board, pressing down on the top of the VGS-1
until secure.
4 Replace the shield cover and tighten the 4 screws.
5 Replace the bottom case (10 screws).
Note: After installation, you can adjust the VGS-1 playback and
voice guide volume by selecting Menu Nos. 05 and 06.