Orion2 man.PDF

Ten-Tec Orion/Orion II

Users Manual Addendum

Firmware Version V3

It is very important that you read this document in its entirety before using the V3

firmware. Some features behave differently than they did in the V1 and V2 firmware.

Purpose:

The purpose of this document is to identify the changes that were made to generate the V3 firmware

builds for the Orion Model 565 and the Orion II Model 566, [ Orion(s) ]. The changes include new

features, enhancements to existing features, and resolution of various problems. The V3 firmware is the

first version to support the Model RX366 High Performance Sub Receiver. The RX366 brings a new

level of performance for the Orion(s) and a competitive advantage for Contesters and DXers alike.

Pictures in this addendum are from the 566. 565 differences are noted.

What’s New:

Changes common to both Orion 565 and Orion II 566 are listed together. Refer to model specific

changes later in this document.

Added Support for Model RX366 High Performance Sub Receiver. [Refer to 74467, RX366

Instructions and Operation Manual for detailed information].

Enhanced Sub Receiver performance includes:

Ability to add three user installable and configurable hardware filters:

These filters are the same as used in the Eagle/Orion II.:

15kHz, 6kHz, 2.4kHz, 1.8kHz, 1kHz, 600Hz, 300Hz, (2.4kHz filter factory installed)

10dB Attenuator and 12dB Preamp and 9MHz IF Output .

V3 firmware provides the ability to fine-tune the frequency of the RX366 to within 0.1Hz of

the Main RX. Locked to eliminate drift.

To support the added filters and configuration thereof, the following menu items were added to

the “ Filtr ” Menu:

Sub-Rx Slot 1

Sub-Rx Slot 2

Sub-Rx Slot 3

New “ Filtr ” Menu in Orion II

Ten-Tec Part Number 74474

Page 1 of 11

Revision 1.0, 1-31-2012

Added Support for the RX366 High Performance Sub Receiver [Continued]

Once the Sub-Rx Slot menu items are selected to match the actual filters installed into the

RX366, the software will select the appropriate hardware filter when the Sub-RX BW is

adjusted.

If all Sub-Rx Slot menu items are None, which is also the case when either a RAM Clear or

MASTER RESET has been performed, then the software will always select Sub-RX Slot 1.

While the 15kHz filter is one of the optional hardware filters, the DSP filter is limited to

9kHz for the Sub Receiver.

Added User Adjustable oscillator/frequency alignment between main receiver and RX366

Sub Receiver. See the “ Diversity “ section in the RX366 Installation manual for the

procedure on how to align the frequency of the sub receiver to that of the main receiver.

Comments on the RX366 and V3 firmware:

With V3 installed and the RX366 installed, the Orion(s) now have vastly superior performance to the

original sub-receiver in terms of immunity to interference from adjacent strong signals and immunity to

overloading from very strong signals present on the band.

Ten-Tec Part Number 74474

Page 2 of 11

Revision 1.0, 1-31-2012

Added Selective Audio Filtering ( SAF ).

Selective Audio Filtering – An improvement on the industry standard approach to Audio Peak

Filter (APF) whereby a selected region within the passband can be amplified in audio for more

clarity. Improvements that SAF brings over current APF implementations include the addition

of a Width adjustment and the fact that SAF is available in all modes, whereas APF is usually

limited to CW only.

SAF uses the configurable NOTCH Center Frequency (CF:) and Width (W:) parameters.

Audio within the SAF region will be increased

Audio outside of the selected SAF region will be attenuated by up to 30dB from the

peaked SAF region. Amount of “peaking” and “attenuation” is affected by the location

of the Center Frequency and the Width.

Both the SAF and NOTCH receiver functions share the front panel NOTCH button to turn

the feature on / off. It is therefore necessary to configure the button to control either the

SAF or the NOTCH. The configuration is managed in the “ RX ” Menu with the addition of

the following two new menu items:

NOTCH Btn Main (selections include NOTCH or SAF )

NOTCH Btn Sub (selections include NOTCH or SAF )

New “RX” Menu in Orion II

NOTE: For the Orion 565, the two new menu items for NOTCH button usage are:

NOTCH Button Main (selections include NOTCH or SAF )

NOTCH Button Sub

(selections include NOTCH or SAF )

Ten-Tec Part Number 74474

Page 3 of 11

Revision 1.0, 1-31-2012

Added Selective Audio Filtering ( SAF ). [continued].

As shown in the previous Picture, SAF was selected as the function for the NOTCH

button for Main, and NOTCH was selected as the function for the NOTCH button for

Sub.

SAF action per receiver is identified by the presence of the text “ SAF ” underneath the

headphones for each receiver. The following picture shows how the menu selection in

the previous example is depicted on the main receiver display.

Main Receiver Display showing SAF enabled for MAIN

Note the text “ SAF ” underneath the main headphones. This indicates that the

NOTCH button, when MAIN-RX is selected, will perform the SAF function. Since

the NOTCH text shows off (instead of CF:xxxHz or W:xxxHz), this means SAF is

enabled, but not functioning yet. Pressing NOTCH would then engage SAF filtering.

If SAF had been selected for the SUB-RX, then the text “ SAF ” would have appeared

underneath the Sub Headphones. Since it is not shown in the above picture, this

means that when SUB-RX is selected, the NOTCH button performs the Manual

Notch feature.

There is also a method to change the function of the NOTCH button while on the radio

screen.

If MAIN-RX is selected, then a long press of NOTCH will change the current

meaning of the NOTCH button for the MAIN-RX. This allows the user to switch

back and forth between NOTCH’ing the passband, and SAF ’ing the passband.

This “change of NOTCH button meaning” functionality works regardless of whether

SAF is or is not engaged. It also changes functionality regardless of whether

NOTCH is or is not engaged. This provides the user an easy way to improve

readability of a signal, then notch that signal out, listen for the next signal, etc.

working contacts in sequential order a minimum amount of effort.

Ten-Tec Part Number 74474

Page 4 of 11

Revision 1.0, 1-31-2012

Added Selective Audio Filtering ( SAF ). [continued].

SAF Adjustment Parameters

Center Frequency (CF:) – A frequency value that is generally between the minimum hz

value of a passband and the maximum value of a passband. Similar to NOTCH Center

Frequency. The values can be anything from 0hz to 4kHz.

Center Frequency is normally adjustable in 10hz steps.

When Width is set to 10 or 20hz, then Center Frequency is adjustable in 1hz steps.

Width (W:) – The frequency range to apply the SAF adjustment. Similar to Manual

Notch Width. The value range is 10hz to 300hz in 10hz steps. Most other manufacturer

implementation of APF does not permit a width adjustment. This is very helpful in

narrowing or widening the SAF region based upon the operational mode and the

conditions of the band and condition of the pileup.

Modes: SAF works in all radio modes, AM, FM, USB, LSB, UCW, LCW, AM, FM, FSK.

The fact that SAF works in any mode permits SAF to help work RTTY or other digital

modes that normally would not be copy-able without the signal enhancing capabilities of

SAF . Most other APFs only work in CW modes.

Added SAF /NOTCH Tracking (on/off) This is one of the new Scalable Diversity Tracking

“ SDT ” features that provides a mechanism for a user that wants certain parameters he/she

adjusts for the main receiver to also take effect in the sub receiver automatically. See the

bullet item for [Added Scalable Diversity Tracking “ SDT ”] for more info on the other new

Tracking features.

Comments on SAF:

CW Mode

Optimal use of SAF in CW is intended for improving readability of weak signals. Thus, SAF is

intended for occasional, and not general, use. Optimal SAF width for CW is 10hz or 20hz. The

SAF center frequency should be set initially to the sidetone pitch. First tune in the cw signal

and try to match it to the sidetone pitch - use the Orion(s) SPOT function to help. Now push the

NOTCH button to engage the SAF . With width set to 10hz or 20hz, slowly vary the center

frequency till the signal is optimally peaked. It s important to have the RF Gain correctly set to

enhance the signal to noise ratio with SAF engaged. The RF Gain is properly set if you engage

SAF with no signal present and you hear slight ringing at 10-20hz width. Perform this check by

just tuning in band noise with no signal in the passband and engaging SAF . No ringing means

not enough RF Gain and moderate ringing means too much RF Gain.

SSB/AM Mode

SAF can greatly improve readability of weaker ssb and am signals. The SAF width should be

set to 300hz. Tune in the signal and engage SAF . Adjust the center frequency for best

readability, usually in the range of 300-600hz.

Ten-Tec Part Number 74474

Page 5 of 11

Revision 1.0, 1-31-2012

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