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PSM-500/500L/500LT SCPC Satellite Modem
Manual tuning of the modem's reference is accomplished using the <Unit: Ref – Fine Tune>
parameter and entering a value from –127 to +127
Automatic calibration of the modem's internal reference is accomplished by inserting a known
high accuracy reference at the rear panel "External Reference" input and enabling the <Unit:
Test – Cal Ref> item. The calibration should take several seconds and will indicate a successful
completion. If the calibration fails then the external reference was out of range in either level or
frequency.
The factory calibration may be restored by setting the <Unit: Ref – Fine Tune> value to "0".
2.9.6 Setting the Modem Station ID Name
Each PSM-500 contains two unique identification entries available at the front panel or remotely.
They are the unit serial number and the Unit Name or "Unit ID". The serial number is set at the
factory and cannot be changed, but the Unit ID can be set and changed whenever necessary.
This field allows identification of the modem with up to 16 characters.
The Unit ID can be set easily from the VT100 terminal mode, and with slightly more effort from
the unit front panel. To set the Unit ID, use the front panel arrow keys to scroll to the <Unit:
Status – Unit ID> parameter and pressing "Edit" to begin entry. Each character position is
selected using the right and left arrow keys, and the character at that position is set using the up
and down arrow keys. When the proper entry is achieved press the "Enter" key to finalize the
input. The first character is the "Space" followed by the characters below.
ASCII Characters Available for Unit Station ID
Char
Char
!
/
"
0
#
1
$
2
%
3
&
4
'
5
(
6
)
7
*
8
+
9
,
:
-
;
.
<
=
When entering this parameter via a terminal connected to the remote port the Unit ID Name is
entered directly as text from the terminal keyboard. The Unit ID can also be entered via remote
control at the rear panel DB9 or USB control ports.
After any entry mode the processor will center the input characters on the lower line of the LCD
display
PSM-500/500L/500LT - Rev. 0.91
Char
Char
Char
.
M
]
?
N
^
@
O
_
A
P
'
B
Q
a
C
R
b
D
S
c
E
T
d
F
U
e
G
V
f
H
W
g
I
X
h
J
Y
I
K
Z
j
L
[
k
Char
Char
l
{
m
|
n
}
→
o
÷
p
q
&
r
s
t
u
v
w
x
y
z
Installation
Page 2-23
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