User Manual

NOTCHCELL 20W OPERATING MANUAL
R-tron America, Inc. Page: 52 / 57
A.1.7 ALARM
 DC / AC Alarm : Appears when DC/AC voltage exceeds the upper/lower values set
in the “ENVIRONMENT” window.
 Door alarm: Appears when the housing door of the repeater is open.
 Battery Fail Alarm: This alarm stays unseen in the alarm indication window until you
turns the battery on in the “ON/OFF” window. This alarm appears when the battery
voltage values exceed the upper/lower values set in the “ENVIRONMENT” window.
 PLL Alarm : Appears when PLL is unlocked.
 ALC Fail Alarm : This alarm appears when output during ALC operation is
larger/smaller than ALC High/Low limit values due to lack of attenuation. To clear
the alarm, you need to turn off the ALC operation mode or make the output stay in
the ALC setting range.
 DL HPA Over Power Alarm: Appears to protect the equipment when system output
surges abruptly. At this time, AMP will be shut down as well.
 DL HPA Over Temp. Alarm: Appears when DL HPA’s internal temperature
surpasses 90 degree.
 DL Input Power Alarm: Appears when the repeater’s DL input is out of the
upper/lower values set in the “POWER” window. The alarm types include Low and
High alarms.
 DL / UL Output Power Alarm: Appears when the repeater’s DL input is out of the
upper/lower values set in the “POWER” window. The alarm types include Low and
High alarms.
 VSWR Alarm: Appears when the reflected wave of output compared to input
exceeds the setting range of the VSWR Limit (1:3) or antenna VSWR and Feeder
Cable VSWR are faulty.