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When the key is in its c>uter position, free frequency selection
mode is selected. The frequency is keyed-in on the keyboard and
the frequency is shown on the display. When the key is in its in-
ner position the preprogralmed frequency mode is selected. The
programed frequencies are listed in the frequency chart:. Each fre-
queney is suppli.ed with a number which is keyed into the keyboard.
The keyed-in frequency number is shotm in the display with a "no."
sign in front for approx.
1 see. after which the actual frequency
is displayed. If a. frequency number is cancelled the display will
be blanked except the "10 mlz" digit and the "t rmz" digit.
2.4.5. The DIRER controls the intensity of the display.
2.4.6. Ttie LSB/USE sui[ch (optional) selects the sideband to be transmitted
(lower sideband or iipper sideband) of the modes A3H, A3A and A3J.
In the modes A1, Fl and A2H the USB position E}±s± always be selected.
2.4.7. The ALARM START push-button on E 5002 for T 5000 i9 used to start
the alarm generator af ter the MODE switch has been tuned to the
TRANSMIT ALARM position. The push-button is depressed and released
and the alarm signal will be transmitted for approx. 45 seconds.
The push-button is also used for starting the alam generator in
the TEST AIARM position.
2.4.8. The TUNING control is used for Cuning the antema circuit to maxinun
antenna current indicated on the ANTENNA CURRENT meter.
2.4.9. The BANI) switcti has 16 positiong.
2.4.10. A band indicator lamp at each position shows by flashing light where
to set the BAND switch in accordance with the frequency Selected.
The light wi.11 extinguish when the BAND Switch is set at the correct
position.
2.4.11. The 2182 kHz position on the BAND switch on I 5000 Selects frequency
no. zero on the Exciter (normally programed 2182.0 kHz Sinplex A3H
overriding the select:ed frequency and mode on the Excited. The band
indicator lanp shows constant light indicating that 2182 kHz is
selected. The range of the TUNING control is reduced.
2.4.12. The TUNE push-button is used when tuning the anterma circuit. The
trar`smi[ter is keyed and a tune signal is generated. I)uring tuning
the receiver is muted.
2.4.13. The CHECK SWITCH is nomally inopera[i.ve. Pulling the switch knob
out will switch the ANTENNA CURRENT meter to read the voltage or
current selected with the Switch. when released the knob will recum
Co its ori.ginal position.
2-4
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