MT-550
13
5.3 Basic Operation
Power On/Off
Power to the transceiver is controlled with the
VOL
ume knob. When the VOL knob
is in the full CCW position the unit is turned Off.
To turn the transceiver On:
•
Rotate the
VOL
knob CW until it clicks over the detent. The LCD backlight
illuminates and the Power-On screen appears.
INT
M-TECH
CODE 000.00
Power-On Screen
After approximately two seconds, the Normal Communication screen appears in the
display.
INT
16 PRI. HI
MEM CHANNEL
N 28 04.814
W 83 42.169
INT
16 PRI. HI
MEM CHANNEL
99 99.999
999 99.999
Normal Com Screen
Normal Com Screen
with GPS Connected
w/o GPS connected
To turn the transceiver Off:
•
Rotate the
VOL
knob CCW until it clicks over the detent to the OFF position.
Volume and Squelch
The
VOL
ume and
SQ
uelch controls have each knob. They are independent controls
but work together to control audio output from the speaker. The volume control
sets the loudness of sound from the speaker and the squelch control is used to mute
background noise when no received signals are present.
To properly set the
VOL
and
SQ
controls:
•
Rotate the
SQ
knob fully CCW.
•
Rotate the
VOL
knob CW until background noise is plainly heard.
•
Slowly rotate the
SQ
knob CW until the noise is muted (squelched). Then
adjust the control slightly more CW (approximately 1/8 turn). Use care not
to set the
SQ
control more CW than necessary or weak signals may not be
heard.
Some channels exhibit more background noise than others, so it may be necessary
to readjust the squelch setting when changing channels or when scanning.
