599 / Eagle Users manual Release 1.009 CE – April 15, 2015
Part #74447
Printed in USA 36
9. Addendum B (added January 13, 2011)
9.1. FM CTCSS Tones
The Eagle supports the generation of FM TX CTCSS Tones. Available settings: OFF, or any of the 49
standard CTCSS access tones.
CTCSS (Continuous Tone Controlled Squelch System) transmits a sub audible tone in the range of 67 to
254 Hz encoded with voice audio. FM repeaters may employ the use of a CTCSS tone for access.
FM TX CTCSS is active in FM mode only. If a value is selected and the radio is in any other mode, this line
item is ignored by the transceiver and the tone will not be transmitted. There is no CTCSS
”tone squelch” decode function on receive; CTCSS is encode (transmit) only.
To select a tone:
1) Ensure that the current mode is FM. Note: To operate the Eagle in FM mode you must have the
15 KHz filter installed and you must select EF d in the configuration menu.
2) If you are presently in FUNC mode (FUNC button and text are flashing), then press FUNC
mode to exit FUNC mode.
3) Press and hold the MOD button until you see the text “CT…” appear in the VFO B location.
This will indicate the current value selected for the CTCSS Tone, e.g. “Off” or one of the
chosen tones, such as “67.1” or “167.9”.
4) Use the MULTI knob to scroll through the choices.
5) When the desired tone is indicated, press FUNC to exit the CTCSS Selection Menu. The
“CT…” text will disappear, and the current value for the VFO B Frequency will be shown in
the VFO B location.
CTCSS Tone is stored and recalled per each user memory, and is also stored and recalled per each
band separately.
9.2. Retaining User Settings
The Eagle operates the same as most modern TenTec rigs do with regards to the ability to retain
user settings through a power reset. For various reasons, user settings are not immediately written
into the non-volatile memory every time that the user changes a setting. When a user setting is
changed, this value will be stored 15 seconds after the user has made his last change to any user
setting.
Example:
Change Main Frequency to 14.02 (This starts the 15 second user value store timer)
2 seconds later change Mode to CW (This resets the user value store timer back to 15)
5 seconds later change AGC to Slow (This resets the user value store timer back to 15)
Finally, do nothing for 15 seconds, and all of the above values will be stored.
If changes are made, and the unit is turned off before the 15-second timer has expired, then all of
those changes made since the last store point will be lost.
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