- R3 QSX QUICKSHIFT INSTRUCTIONS MANUALS
- R3 QSX QUICKSHIFT INSTRUCTIONS CODE
If the LDPC selection is changed, the new value is sent to the transmitter. The transmitter decides whether the LDPC mode is valid (LDPC option enabled, etc.), and how it should behave.
R3 QSX QUICKSHIFT INSTRUCTIONS CODE
Increment or decrement the LDPC code by pressing the UP (plus sign) or DOWN (minus sign) buttons corresponding to the last digit (0.1 position). When in LDPC Select mode, the switch box display shows the channel, the letters LDPC, and the current value of the LDPC code as a numerical value from 0-5, or “d” for disable, as shown in Figure 8. Pressing the Channel Select or Up/Down buttons to select the LDPC code resets the four second timer. In either case, the display reverts to Mode/Frequency. It also exits if any OTHER button is pressed on the switch box. LDPC Select mode times out after four (4) seconds with no button presses. Enter LDPC Select mode by pressing the Channel Select button and the last + (plus) button at the same time. Since only six characters are available on the switch box, the Mode and Frequency characters are also used for LDPC. If LDPC is not installed on the transmitter, the switch box still functions as described in this section, but the transmitter indicates LDPC is not available. Note: The attached transmitter must have the LDPC option installed for the switch box LDPC Select mode to affect the transmitter settings. However, attempting to set the frequency to 2190.0, results in an error LED on the switch box, and a Frequency Invalid/Frequency Not Set message on the transmitter. For example, if the switch box is set to 2200.0, the error LED is set, and the transmitter frequency is set to 2200.0, which is outside the S band range. In this case, the error LED on the switch box illuminates, and the frequency sent to the transmitter updates the transmitter. Note that transmitters may allow up to 10 MHz of frequency overflow outside the allowed range. If the frequency is outside of the allowed range for the unit, the transmitter will not retune, but will report an error to the user and turn on the channel error LED. The transmitter frequency rounds to the nearest 0.5 MHz within one of the allowed bands. Offset frequencies CANNOT be viewed by the switch box. If the switch box is used with a transmitter that has the FO (frequency offset) option enabled, offsets CANNOT be entered via the switch box. The up and down buttons wrap at zero (0) and nine (9).The last frequency digit is 0.5 MHz, and only toggles between 0 and 5. The top buttons (+) scroll up from 0-9, while the bottom buttons (-) scroll down from 9-0. Numbers between zero and nine (0-9) may be selected. Not available on a single transmitter.Įach of the five (5) frequency digits is selected independently using the push buttons above or below each digit, as shown in Figure 6. Not currently available on the Quasonix Dual Transmitter. This includes valid modes, frequency bands, and LDPC options, as well as single/dual operation. If the switch box is connected to a different type of transmitter (but one that supports the digital switch box) it will be reconfigured for that transmitter. 
When the switch box is queried on power up, it returns those settings. The Switch Box remembers its current settings when power is removed. This ensures the switch box settings always match those of the transmitter.
If a Quasonix 2nd Generation Digital Switch Box is attached to a dual transmitter, or to a single channel transmitter (some legacy transmitters excluded), and the digital switch box option is present (check the part/model number of the transmitter for DSWBX), all changes made to mode, frequency, or LDPC selections on the transmitter are sent to the switch box. Included with the switch box is an 18” MDM-9 to MDM-9 cable harness. Single output transmitters default to Channel 1. In addition, the switch box can send the LDPC code for each channel (for LDPC enabled transmitters).Ī channel selector identifies which of two sets of mode, frequency, and LDPC settings is displayed.Ĭhannel selection only works when connected to a Quasonix Dual Telemetry Transmitter.
This includes a total of five digits of frequency, in MHz, and one digit of mode selection, using Quasonix standard transmitter mode numbers. The 2nd Generation Quasonix switch box provides six 7 segment LED displays used to display the mode and frequency.
R3 QSX QUICKSHIFT INSTRUCTIONS MANUALS
4.1 Related Manuals / Resources Quasonix QSX-AC-DSWBX Frequency and Mode Switch Box for TIMTER Transmitters Introduction
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