Initial Set-up Procedures (Version 2.9-15)
For most set-ups, the site manager will need only set-up the correct TIME (within 5 seconds of accurate--and it is preferable to be slightly slow rather than slightly fast.) This procedure is detailed in Steps 1-4 and then activation is required as in Steps 24-25. When necessary other procedures can be followed if the site manager is asked to do so. If only a CIMEL is deployed, 'SENSOR' and 'GROUP' settings are not used. 'SENSOR' sub-menu will only be used to check VITEL battery as in Steps 9-11.
1) Power on by plugging in the green 2-pin connector where the Vitel is labeled 'Power Input'. Version will display briefly, then 'Sat Tx HH:MM:05' (5 sec delay)
2) Press SET-UP button Display will read 'TIME'
3) Press SELECT Display will show clock TIME, but TIME is not changed.
To change TIME: (NOTE: TIME must be in Greenwich Mean Time)
press CHANGE: First TIME digit will flash, press until reaching correct number
press ENTER: Repeat until TIME is correct.
For the final digit (seconds); press ENTER TWICE. Press once to enter the digit value as for the other digits, then press ENTER again at the moment the clock should begin running.
4) Press Set-up to return to top level menu. Display will show 'TIME'. Press SELECT to display TIME and verify accuracy
If correct, Press Set-up to return to top level. Display will show 'TIME'.
(go to Step 5).
If incorrect, return to Step 3: 'To change TIME' procedure.
5) Press SCROLL button to change display to DATE;
6) Set as for TIME MM-DD-YY
7) Repeat 2) and the word 'DATE' will display. SCROLL to BAUD
8) SELECT BAUD and set to 1200.
9) Repeat 2) and SCROLL to next item [SENSOR]
10) SELECT and 'BAT.' will display. SELECT again to read Vitel (large) battery voltage.
11) Press SET-UP to move up a level to 'SENSOR BAT.'
12) Press SET-UP again to reach SENSOR
13) SCROLL past GROUP to 'SATELIT'
Steps 14-23 should be used ONLY IF REQUESTED. SATELLITE parameters are set here. Normally, they will already be set. (Go to Step 24)
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To set SATELLITE parameters:
14) SELECT to view SATELLITE SELFTIME. SELECT again to choose this.
15) Display will read ON/OFF. SELECT this and verify it is set to ON.
16) Go up a level with SETUP, and SCROLL to CHANNEL. SELECT this.
17) Set to CHANNEL value we provided to you as for TIME. Up a level with SETUP.
18) SCROLL to ID. SELECT and verify or change ID numbers. Up a level.
19) SCROLL to Tx Inv: SELECT and set to 60 for Goes or 30 for METEOSAT. Up a level.
20) SCROLL to FIRST TX: SELECT and set to provided value.
21) Repeat procedure for Preamble (short), Sat type (GOES, METEOSAT or GMS)
22) For MAXBYTES, set to 1400 for GOES, 600 for METEOSAT
After you have finished setting SATELLITE parameters, press SETUP until reaching top level item 'SATELLIT'.
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24) SCROLL past 'TEST OP' and 'MEMORY', to 'ACTIVATE'. SELECT ACTIVATE.
25) Display should show SAT TX: HH:MM:05, for one minute before the next scheduled transmission (determined by FIRST TX setting in SATELLITE parameters). TIME is GMT.
Vitel Version 2.9-2.11 Menu Structure
- TIME
- DATE
- BAUD
- SENSOR
- BAT.
- MUX1-6 (USED FOR AUXILLARY [FLUX] SENSORS ONLY)
- READ
- GROUP (= 1 WITH SENSORS; = 0, OTHERWISE)
- SHEF (SENSOR ID)
- MULT (TYPICALLY = 1221)
- DIV (TYPICALLY = 1000)
- BASE (= 0)
- DEC PT (=3)
- AVE (OFF)
- SPECIAL (NONE)
- CTR 1-3 (NOT USED)
- SDI 0-9 (NOT USED)
- EXP 1-16 (NOT USED)
- GROUP
- G 1-4 (USE G1)
- UPD INTV (TYPICALLY = 1)
- DATASETS
- WARM-UP (TYPICALLY = 5)
- SATELLITE
- SELFTIME
- SAT ON/OFF (ON)
- CHANNEL
- ID
- TXT INTV (60 FOR GOES; 30 FOR METEOSAT)
- FIRST TX
- PREAMBLE (SHORT)
- SAT TYPE
- MAX BYTES (For GOES= 1400; For METEOSAT= 600)
- RANDOM (NOT USED)
- TEST OP.
- TX PWR CHK
- TX RAN TX (NOT USED)
- TX MEAS ECHO (NOT USED)
- TX GTM TEST (NOT USED)
- MEMORY
- INTERN RAM (NOT USED)
- RAM CARD (NOT USED)
- CARD SIZE (NOT USED)
- INIT EEPROM (NOT USED)
- ACTIVATE (SELECT TO ACTIVATE)
FAILSAFE PROCEDURES
Note: While it is uncommon for the failsafe to be tripped on the newer Vitel (one-piece) transmitters, it may occur occasionally. The procedure for re-setting the fail-safe is detailed below.
The fail-safe circuit acts to prevent a DCP in a fault condition from transmitting continuously and preventing other DCPs from being received on that channel. If a DCP transmits for more than 120 seconds, or there is less than 60 seconds between transmissions, then the fail-safe circuit trips. If the fail-safe circuit trips then the VX1004 will not transmit again until the fail-safe circuit is reset.
The fail-safe test point is reached through the red ACCESS cap at the lower right corner of the VX1004 front panel. The test point (hole) is black and is sized for a standard 0.080" diameter voltmeter probe. To measure the voltage here, place the positive lead of the voltmeter in the test point, and the negative lead on the bolt labeled ground at the lower left of the Vitel face. If the fail-safe circuit is OK this test point measures about 0 volts DC. If the fail-safe circuit has been tripped this test point measures 5.0 volts DC. To clear the fail-safe, ground the test point for 2 seconds (connect the testpoint with the negative terminal of the Vitel battery with connecting wire. One of the voltmeter leads will work as such if disconnected from the voltmeter). After this action, the test point should measure 0 volts DC. To prevent an accidental fail-safe condition, do not attempt to transmit in the first 2 minutes after power has been applied to the VX1004.
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