If you have a scientific atlanta cable box, Notes on using the remote commander, Note on operating a dual cassette deck – Sony RM-V21 User Manual
Page 9
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Remote Button Descriptions (continued)
1
Remote Button
Operates
Function
TV
VCR
Cable box
Channel up: -f 
Channel down:-
Receiver
Presetting frequency up: +, down: or
tuning frequency up:-f, down: -
TV
Cable box
Receiver/
amp
Volume up: + 
Volume down: -
C
mutin
^
TV
Receiver/
amp
Mutes volume on TV 
Press again to turn muting off.
(
wecal
Q
TV
Functions as the JUMP. FLASHBACK or 
CHANNEL RETURN button, depending on 
the TV’s manufacturer
Receiver
Shifts band (FM/AM)
CD player
Selects next disc
Tápe deck
Selects tape deck: deck A or deck B (dual 
cassette deck only“)
All
components
Used this switch to change to the spedfic
component that you want to operate
CuOHT^
All
components
Lights up the Commander’s buttons 
(The lightwillautomaticallytumoff if no 
button is pressed for more ^an 10 seconds)
‘For details, see “Note on Operating a Dual Cassette Deck“ on the next page.
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If You Have a Scientific Atlanta Cable Box...
If your cable box is a Scientific Atlanta model that does not 
have a power-on button, you can turn on the cable box by 
pressing the CH+ or CH- buttons on the Commander.
Notes on Using the Remote Commander
■ Using this Commander will not increase the functions of
your TV, VCR, or cable box. The functions of the 
Commander are limited to the functions of the components 
themselves. For example, if your TV does not have a Recall 
function, the RECALL button on this Commander will not 
function with your TV.
■ If your cable box can control volume, be sure to set its
volume switch to a medium position. If the volume on the 
cable box is turned down completely, you will not be able to 
adjust your TV’s volume with the Commander.
■ If your video components are connected to an audio system,
make sure you've set up the Commander as described on 
page 11.
■ Using the LIGHT function often will shorten the battery life.
Note on Operating a Dual Cassette Deck
To select a deck A or B on a dual cassette deck, use either the 
number buttons (1 and 2), or the RECALL button, depending 
on the type of the remote commander supplied with your dual 
cassette deck, as explained below.
■ If the deck’s commander has two sets of tape operating
buttons and has no A/B button for deck selection, use the
number buttons (1 and 2): the 1 button selects Deck A, and 
the 2 button selects Deck B.
■ If the deck’s commander has one set of tape operating
buttons, and has an A/B button for deck selection, use the
RECALL button to select Deck A or B.
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