GE MDS 4790M Installation And Operation Manual page 91

radio address (UNIT command) 44
radio configuration (master/remote) (MODE command) 36
radio configuration (root/node) (DTYPE command) 34
radio model number (MODEL command) 36
radio serial number (SER command) 40
radio status (DUMP command) 34
receive frequency (Receive Frequency screen) 54
receive frequency (RX command) 39
receive time-out timer value (RXTOT command) 40
received signal strength (Receive Signal Strength
screen) 61
received signal strength (RSSI, RSSI! commands) 38
repeater mode (Repeater Mode screen) 56
RX timeout (RX Timeout screen) 56
signal-to-noise ratio (S/N Ratio screen) 61
signal-to-noise ratio (SNR, SNR! commands) 41
soft carrier de-key delay (SCD command) 40
soft carrier de-key delay (Soft Carrier De-Key Delay
screen) 55
software release information (Software Revision screen) 62
software release information (SREV command) 41
start of new message timer (DMGAP command) 34
time (Set Time screen) 60
time (TIME command) 43
transmit audio level (TXLEVEL command) 44
transmit frequency (Transmit Frequency screen) 53
transmit frequency (TX command) 43
transmit level (Transmit Level screen) 58
transmit timeout (Transmit Timeout screen) 55
transmit timeout duration (Transmit Timeout Duration
screen) 55
transmitter state (Manual Key screen) 56
transmitter state (Transmitter Status screen) 62
Display Contrast screen 59
DKEY command (deactivate transmitter). See also KEY
command 33
DLINK command
enable/disable network-wide diagnostics, description 33
use of 65
DMGAP command (set time to wait between characters) 34
DSP (Digital Signal Processing), defined 7
DTE (Data Terminal Equipment), defined 7
DTYPE command
set radio to root or node for diagnostics, description 34
use of 65
DUMP command
display radio status 34
E
Emphasis
enable/disable (Emphasis screen) 54
Emphasis screen 54
Enable/disable
audio transmit boost (Transmit Gain screen) 58
continuous keying (CKEY command) 32
data buffering (Data Buffering screen) 57, 58
emphasis and de-emphasis (Emphasis screen) 54
internal RTU (RTU command) 39
network-wide diagnostics (DLINK command) 33
network-wide diagnostics, procedures 65
receive attenuator (Receive Pad screen) 58
receive attenuator (RXPAD command) 40
repeater operation (REPEATER command) 38
transmit audio boost (TXGAIN command) 44
transmit timeout timer (Transmit Timeout screen) 55
MDS 05-3628A01, Rev. B
ENTER button
use in display-only mode 47
use in radio configuration 48
ESCAPE button
use in display-only mode 47
use in radio configuration 48
Event codes 42
major alarms, defined 64
minor alarms, defined 64
Event log
use in problem solving 64
Event Log screen 62
F
Fade margin
defined 7
discussion 75
Fading, calculating probability of system 76
Feedline
installing 16
loss chart 11
selection 10
Formulas 76
free space path loss 76
Fresnel zone boundary 76
probability of system fading 76
theoretical signal strength 76
Frame, defined 7
Frequency
in simplex or switched carrier operation 5
preventing unnecessary use of (Transmit Timeout
screen) 55
range 72
receiver range 73
receiver stability 73
set/display receive (Receive Frequency screen) 54
set/display receive (RX command) 39
set/display transmit (Transmit Frequency screen) 53
set/display transmit (TX command) 43
stability 72
step size 72
transmitter range 72
Fresnel zone
boundary, formula 76
clearance 74
defined 7
obstructions, illustrated 74
Front panel
controls, illustrated 47
ENTER button 47
ESCAPE button 47
illustrated 21
indicators 21
LCD display 23
left/right arrow buttons 47
removing 13
removing or re-installing 68
removing, illustrated 68
up/down arrow buttons 47
G
Glossary 6
MDS 4790M (MPT 1411) I/O Guide I-3