Icom IC-F5123D Instruction Manual - Page 10

1 PANEL DESCRIPTION ■ Programmable function keys (Continued) CALL KEYS Push to transmit a 2/5-tone ID code. • Tone call transmission may be necessary before you call another station, depending on your signalling system. • [Call A] and/or [Call B] may be selectable when your system em- ploys selective 'Individual/Group' calls. Ask your dealer which call is assigned to each key. SURVEILLANCE KEY Push to turn the surveillance function ON or OFF. When a signal is received, or a key is pushed, while this function is turned ON, the beeps do not sound and the LCD backlight does not light. SIREN Hold down for 1 second to sound the siren. This function can be used for situations other than an emergency alert, such as a security alarm for example. • The siren can only be stopped by turning OFF the transceiver power. TX CODE ENTER KEY (PMR operation only) Push to enter the TX code edit mode, then push [CH Up] or [CH Down] to set a desired digit. (p. 11) TX CODE CHANNEL SELECT KEY ➥ P ush to enter the TX code channel selection mode, then push [CH Up] or [CH Down] to set a desired channel. (p. 10) ➥ While in the TX code channel selection mode, hold down this key for 1 second to enter the TX code edit mode. Then push [CH Up] or [CH Down] to set a desired digit. (p. 11) TX CODE CHANNEL UP/DOWN KEYS Push to select a TX code channel. ID-MR SELECT KEY (PMR operation only) ➥ Push to recall the received ID code. • Push this key, then select the ID code using [CH Up]/ [CH Down]. • Up to 5 codes can be memorized. ➥ H old down this key for 1 second to clear the selected ID code. ENCRYPTION KEY While operating in the digital mode, push to turn the encryption function ON or OFF. 6