Filser Electronic GmbH
Gewerbestraße 2
ATR 720 C Communications Transceiver
86875 Waal
page 14
2.7
OPERATION
2.7.1 General
All controls required to operate the ATR 720 C are located on the front panel.
2.7.2 ATR 720 C COMM Multifunction Control
2.7.2.1 Comm – On/Off-Switch-Multifunction Control
The multifunction- ON/OFF-switch is located in the upper Right-hand corner. The transceiver is
activated the switch is turned clockwise beyond the „off-position click“.
2.7.2.2 Squelch Control
While in the pushed-in position (Automatic mode) weak signals and noise are being suppressed.
The Squelch-ON-Test position (pulled-out) is used to receive weak signals and to the squelch.
2.7.2.3 Volume Control –VOL-
The Volume control –VOL- is activated at the multifunctio -control by turning it clockwise for the
desired volume.
2.7.2.4 COMM – Keyboard
The COMM Keyboard consists of five function-keys and 10 number-keys 1 – 0.
The decimal point is fixed and appears alter pressing the number „1“.
Description of the various function-keys. From left to right:
ST
STORE is required to load an activated frequency into the frequency-memory.
Depressing the
ST
-Key followed by one of the number-keys 1 – 0 stores the programmed
frequency into the respective storage location. (1 – 10). followed by
E
(ENTER)
Note: The preselected frequency, which is shown in the display, will be automatically entered af-
ter the last digit is given in by a number key.
RM
RECALL MEMORY. With the
RM
-Key one of the stored frequencies may be recalled at
any time. This is achieved by depressing the RM-Key followed by one of the ten number-
