GE MDS 4790M Installation And Operation Manual page 93

left/right arrow buttons 47
LOG command (display/clear history of system events) 36
M
Maintenance
cooling fan 71
Manual Key screen 56
MAS operation 4
illustrated 4
Menu directory
displaying 47
displaying individual menu screens 48
illustrated 47
selecting a main menu item 47
selection arrow 47
Menu Directory screen 53
MODE command (display whether master or remote) 36
MODEL command (display radio model number) 36
Model number
codes, illustrated 6
display radio (PC command) 36
MODEM command 36
Modem screen 54
Modem, set speed. See MODEM command
Modem, set/display internal speed (Modem screen) 54
Mounting the radio 12
dimensions and bracket details, illustrated 12
rack mount 12
remote front panel mount 12
tabletop mount 12
Multipath fading, defined 7
N
Network-wide diagnostics
active messaging, defined 6
defined 7
enable/disable (DLINK command) 33
enable/disable internal RTU (RTU command) 39
illustrated 66
passive messaging, defined 7
set radio to root or node (DTYPE command) 34
set time to wait between characters (DMGAP
command) 34
NMASK command (classify minor alarm events). See also
AMASK command 36
Non-intrusive diagnostics. See Passive messaging
O
Operation 21–48
normal indications 21
start-up 21
OPT! command (list installed radio options 37
Options
list installed (OPT! command) 37
radio accessories 5
Orderwire 19
Output Power screen 54
OWM command (set/display text message) 37
OWN command (set/display text message) 37
MDS 05-3628A01, Rev. B
P
Packaging for shipment. See inside rear cover
Passive messaging, defined 7
Path loss
calculating 75
free space, formula 76
Payload data, defined 7
PC
command summaries 24–28
commands, detailed descriptions 28–??
connected to the master station, illustrated 23
connecting to the radio for diagnostics and control 24
diagnostic port cable, illustrated 24
use in problem solving 64
Performance testing 65
Pinouts
set/display Pin 25 alarm output (ASENSE command) 31
Polling-remote operation 4
illustrated 4
Power
AC-powered units 13
back-up battery, connecting 19
connecting battery 14
connecting primary 13
DC power supply, illustrated 14
DC-powered units 13
display actual RF output (SHOW command) 40
primary, specifications 73
set/display output (Output Power screen) 54
supply assembly 67
supply removal, illustrated 67
Problem solving 63–71
at the local level 63
bench test setup 65
use of event log in 64
using a connected PC 64
using LCD display 64
using LED indicators 63
Procedures
assembly replacement 67
bench test 65
changing radio functions 48
connecting battery power 14
connecting interface wiring 17
connecting PC for diagnostics 24
connecting primary power 13
diagnostics 63–71
diagnostics using connected PC 64
diagnostics using event log 64
diagnostics using LED indicators 63
diagnostics, local 63–65
feedline installation 16
installation 11–21
installation planning 8–??
mounting the radio 12
navigating LCD screens 47
post-installation checks 20
start-up and operation 21–48
toggle between display-only and configuration modes 48
Product
returning for service. See inside rear cover
PROG command (upgrade internal software) 37
Programming radio as root or node 65
PTT command (set/display push-to-talk delay) 38
Push-to-Talk Delay screen 55
MDS 4790M (MPT 1411) I/O Guide I-5