GENERAL OPERATION
18
dealer to determine how your switches have been programmed. If no
option switch has been programmed to control a particular function, that
function may not be available or may be in a fixed mode.
Keypad Lock
If the Keypad Lock option switch has been programmed, the keypad
can be locked (disabled) to prevent keys from being accidentally pressed.
To lock the keypad, press this switch and a locked keypad is indicated by
the icon in the display. To unlock the keypad again, press and hold the
Keypad Lock switch until a tone sounds. The keypad can also be disabled
by dealer programming. It is then permanently disabled and cannot be re-
enabled by the user.
Low Battery Indication
When the battery voltage falls below a preset level, the icon
appears in the display and stays on until power is turned off. In addition,
the following low battery indications may be programmed to occur:
•The amber BATT indicator on the top panel lights.
•A beep sounds once per minute in the standby mode.
•A beep sounds each time the PTT switch is pressed.
The battery should be recharged as soon as practical after a low
battery indication appears. Refer to page 52 for more information. There
is also a battery saver function that may be programmed which automati-
cally switches to a lower power output level when the site is very near.
Channel and Zone Selection
Channel Select
To change the current channel, rotate the 16-position channel
selector knob on the top panel to the desired position. With SMARTNET/
SmartZone channels, the channel is always indicated by alias (name).
With conventional channels, the channel number or frequency may also
be displayed (see “Display Mode Selection” on page 25).