Uniden XSR917/918 - Manual (Page 28)

RA
DIO
Page 20
To change the hour setting, press while pressing
Each press of while pressing increments the hour display by one
hour (12 hour clock). PM displays for afternoon time. AM is not displayed.
To change the minute setting, press while pressing . Each press of
while pressing increments the minute display by one minute.
For quick step up & cycle, press and hold or while pressing
for more than 1 seconds.
The current time will display with flashing colon
To set the Alarm time, press or while pressing .
The operation is the same as setting the Clock time above. You can check the
Alarm time by pressing
.
SETTING THE CLOCK
SETTING THE ALARM/BUZZER TIME