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S170 Owner's Manual Addendum
New HTR 2 Learning Remote Control
Since the S170 was first introduced, we have been asked by many of our
customers for a remote control that will operate their entire audio-video system.
We have recently developed a product to answer this demand, the HTR-2. So, in
addition to the S70 unit remote described in the Owners Manual, there is also an
HTR-2 and an HTR-2 Owner's Manual included with this S170.
The HTR-2 should already be set for the S170 commands, but if for some reason
it isn't (or has been inadvertently reset for another NAD component) it is very
easy to reset the code library to the S170 commands. Press both the AMP and
the AV PRESET key for 3 seconds and the LEARN LED will turn green. Use the
numeric keys to enter 102, and press ENTER to save the selected S170 code
library.
New V3.03 Operating System Software
One of the benefits of the S170 Preamp Processor is its capability for software
upgrades. As NAD develops new features, we issue new operational software.
This S170 has software Version 3.03 installed. There are several new features
that are not described in the Owner's Manual that are outlined below, along with
the page reference to the original instruction.
1. STANDBY (Page 10, #2) The STANDBY LED is now illuminated when the
S170 is in either the ON or the STANDBY mode. It only goes dark when the
POWER switch is in the OFF position.
2. SELECTING SOURCES (Page 20) The new V3.03 software has added an
adjustable INPUT LEVEL CONTROL for the analog sources with an INPUT
LEVEL METER to make adjustment easy and accurate. This circuit will
automatically adjust the individual input to prevent overload of the A/D
converter (converter of analog signals to digital, for surround processing) and
does not require the user to make any adjustments. But you may want to
adjust the input level manually so that each source plays at the same
subjective loudness level. Since the automatic adjustment only looks at peak
signals, sources with a wide dynamic range (classical music CDs) will sound
subjectively softer than sources with a narrow or compressed dynamic range
(rock music radio broadcasts).
To adjust INPUT LEVEL, first enter the OSD (On Screen Display) by pressing
the RIGHT CURSOR KEY and scroll down to SOURCE SETUP with the
DOWN ARROW KEY and press ENTER. From the SOURCE SETUP MENU
select ANALOG SENSITIVITY and use the RIGHT/LEFT CURSOR KEY to
adjust the INPUT LEVEL. The range of adjustment is -5dB to +10dB. You
can also select ANALOG MON to view a vertical bar graph display (with Peak