Fox Appendix; Battery Charge/Discharge; Pocsag Measurements - Berkeley Varitronics Systems Fox Manual

APPENDIX

Battery Charge/Discharge

BATTERY RUN TIMES - (NO DC INPUT)
1) The following conditions assume unit is turned on after the battery has been fully charged.
CONDITION 1 (worst case):
GPS on
BACKLIGHT on
ATA save on (2 Meg card)
RF dump on
RUN TIME: 3 hours
CONDITION 2 (best case):
GPS off
BACKLIGHT off
ATA save on (2 Meg card)
RF dump on
RUN TIME: 7 hours
NOTE: For best run time, always make sure GPS is OFF if LAT/LON positions are not required (such as in-building surveys).
Backlight should only be used when unit is in low lighting conditions.

POCSAG Measurements

V3.3 ROM ONLY saves data when POCSAG data is present (both ATA and RF DUMP).
* CAUTION: If saving POCSAG data on ATA card, turn RF DUMP to OFF. With BOTH ATA SAVE ON and RF DUMP ON, some
POCSAG batch's may be lost. To ensure correct operation, use either ATA SAVE or RFDUMP, but not BOTH. This restriction only
applies to the POCSAG measurement.
Specifications:
Speed: 512, 1200 or 2400 Bits Per Second (BPS).
Jitter: +- .5% of selected speed. Out of spec BPS is flagged on display in reverse video.
BER: Count of bits found in error in last batch using received BCH code. Up to 2 bits per 32 bit word are corrected by BCH,
if greater than 2 bits in error, the word is ignored. The higher this count is, the more suspect is the received signal.
ADDRESS TABLE: 50 entries.
Message Display: The first 18 characters or digits of a pager message is displayed on the
Number of BATCHES: There is no limit to the number of batches that are processed following the preamble. All 7 frames
of each batch are checked for BER, address's and messages.
POCSAG DECODE MENU and Measurements
1. DATA MENU SELECTIONS:
BER/JITTER
MATCH
ENTER CAP CODE
VIEW CAP CODE
ERASE CAP CODES
SELECT FC
2. BER/JITTER and MATCH measurement screen:
line:
1 FREQ DBM BPS BER
2 XXX.XXXX -xxx xxxx.x xx
3
4 ADDRESS MESSAGE
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display.