NEC Univerge sv8500 Manual page 281

STEP 3: Adjust antenna angle so that the antenna may be vertical with the ground.
Since the antenna is easily broken, handle it with care.
Note:
When mounting on a wall
STEP 4: Turn ON the power to the CS to confirm the lamp indications are normal.
LAMP INDICATION
POWER
Green
Green
Green
OFF
Green
Adjustment of Antenna
When mounting on a ceiling
STATUS
Green Normal
Red Make-Busy
Flash (Red) Faulty
OFF Power OFF
Flash (Green) Speech channels are all busy
VOL.2-28
When mounting behind a ceiling
STATE
Cancel the make-busy state.
Need to be repaired.
Check the connections of cables.
Please wait for a while.
Cell Station (CS)
REMARKS
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