User's Manual Part 1

Table Of Contents
T6T 300 Watt VHF Transmitter Page 65 Operation
Set PTT reference
voltage
(AM modes only)
✔✔
View
state
✗✗ +14 V
Set PTT output
polarity
(AM modes only)
✔✔
View
state
✗✗
STD
Set fast PTT
antenna change-
over output polarity
(AM modes only)
✔✔
View
state
✗✗ STD
Set antenna
change-over output
polarity
(AM modes only)
✔✔
View
state
✗✗
STD
Set external VSWR
input polarity
(All modes)
✔✔
View
state
✗✗
STD
Set inhibit input
polarity
(AM modes only)
✔✔
View
state
✗✗
STD
BIT interruptive test
input polarity
(AM modes only)
✔✔
View
state
✗✗
STD (active low)
E-BIT input polarity
(All modes)
✔✔
View
state
✗✗
STD (active low)
Band Edges
Set band edges
✔✔ 118.000 and 136.975 MHz
Reference Frequency
Adjust transmitter’s
reference frequency
✔✔
-
LCD Backlight
Adjust LCD
backlight
✔✔
30 s
BIT
Initiate BIT
interruptive test
✔✔
-
Continued ...
Table 12 Functions and Parameters (Continued)
Function Front
Panel
VFP MARC T6
Controller
T1/E1 HDLC Default Setting